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00:00:03,837 --> 00:00:05,407
CHARLIE: Hey guys!
KIRBY: Hey!
2
00:00:05,472 --> 00:00:07,412
CHARLIE: Today we're
hanging out in Alaska!
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00:00:07,474 --> 00:00:11,244
We took a plane, a car,
and now we're taking a
helicopter to meet some
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00:00:11,311 --> 00:00:12,951
animal all-stars!
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00:00:13,013 --> 00:00:15,323
It's time for
Weird but True !
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00:00:35,135 --> 00:00:37,435
Hey guys Charlie here.
You know my sister Kirby.
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00:00:37,504 --> 00:00:38,474
KIRBY: Hey!
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00:00:38,538 --> 00:00:40,038
CHARLIE: We're so psyched
that you're here cause today
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00:00:40,106 --> 00:00:41,466
we're tackling an issue.
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00:00:41,541 --> 00:00:42,881
So, we live in Chicago, right?
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00:00:42,942 --> 00:00:43,942
KIRBY: Great city.
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00:00:44,010 --> 00:00:45,080
CHARLIE: It's a lovely city.
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00:00:45,145 --> 00:00:47,375
Except the winters here
are absolutely terrible.
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00:00:47,447 --> 00:00:49,917
KIRBY: So cold. We
can never stay warm.
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00:00:49,983 --> 00:00:52,923
CHARLIE: But we think we
finally found something
that might help us out.
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00:00:52,986 --> 00:00:54,446
KIRBY: Have you seen
that commercial?
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00:00:54,521 --> 00:00:56,091
CHARLIE: The one with
the weird looking dude.
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00:00:56,156 --> 00:00:58,426
KIRBY: They're always
on, I bet we can find it.
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00:00:59,559 --> 00:01:01,929
CHARLIE: Hi human! Are you cold?
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00:01:01,995 --> 00:01:04,325
Does nothing seem
to warm you up?
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00:01:04,397 --> 00:01:08,327
Well we've got the
perfect product to heat up
those chilly little bones!
22
00:01:08,401 --> 00:01:11,341
Bo Patrevia's Cold
Encyclopedias!
23
00:01:11,404 --> 00:01:15,384
Our encyclopedias perfectly
outline the tried and tested
strategies that animals
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00:01:15,442 --> 00:01:17,682
use to deal with
the cold weather.
25
00:01:17,744 --> 00:01:21,924
Written by the animals
themselves and edited by famed
animal expert Bo Patrevia.
26
00:01:21,981 --> 00:01:23,251
BO: Howdy!
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00:01:23,316 --> 00:01:25,086
CHARLIE: These books are
specifically designed
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00:01:25,151 --> 00:01:27,091
to help you deal with
the cold weather.
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00:01:27,153 --> 00:01:28,923
Customers love our product!
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00:01:28,988 --> 00:01:33,328
I used to be cold, but
then I read Bo Patrevia's
Cold Encyclopedias.
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00:01:33,393 --> 00:01:37,533
And now I'm not so cold.
Thanks Bo!
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00:01:37,597 --> 00:01:40,097
Woo I'm Bo Patrevia.
Stay warm out there.
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00:01:41,534 --> 00:01:42,644
We're doing it guys!
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00:01:42,702 --> 00:01:43,842
KIRBY: We're making the call!
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00:01:43,903 --> 00:01:45,343
CHARLIE: Today we're
learning from the pros.
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00:01:45,405 --> 00:01:46,535
The best of the best.
37
00:01:46,606 --> 00:01:50,636
We're ordering
some encyclopedias and
unraveling the world of...
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00:01:53,046 --> 00:01:55,076
Cold Weather Animals!
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00:01:55,148 --> 00:01:57,048
KIRBY: Charles!
We've gotta order!
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00:01:57,117 --> 00:02:00,387
CHARLIE: Already on it!
Get this to Bo Patrevia stat!
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00:02:00,453 --> 00:02:02,323
I wonder when it'll.
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00:02:02,388 --> 00:02:03,388
BOB: Package!
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00:02:03,456 --> 00:02:04,916
-Whoa!
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00:02:04,991 --> 00:02:06,561
BOB: Sign here!
KIRBY: Thanks!
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00:02:06,626 --> 00:02:08,656
CHARLIE: That was quick.
Let's check 'em out!
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00:02:10,763 --> 00:02:13,003
Hmm. Ahh yeah Oh of course!
47
00:02:13,066 --> 00:02:14,696
Interesting.
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00:02:14,767 --> 00:02:18,297
KIRBY: Alright guys,
so we've been hitting the
encyclopedias pretty hard.
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00:02:18,371 --> 00:02:21,241
CHARLIE: And we found out
that there are so many
animals in the world
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00:02:21,307 --> 00:02:23,237
that are really well
adapted to the cold.
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00:02:23,309 --> 00:02:24,309
KIRBY: So many!
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00:02:24,377 --> 00:02:26,547
CHARLIE: And today we gotta
figure out how do they do it.
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00:02:26,613 --> 00:02:30,353
KIRBY: Alright, according
to Bo Patrevia and his
team of animal experts.
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00:02:30,416 --> 00:02:34,486
CHARLIE: We can separate
the strategies that animals
use to deal with the cold,
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00:02:34,554 --> 00:02:36,894
into four basic groups.
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00:02:37,957 --> 00:02:41,787
Migration, going dormant,
behavioral adaptations,
and anatomical adaptations.
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00:02:43,596 --> 00:02:46,496
First up, Migration.
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00:02:46,566 --> 00:02:51,096
To avoid the cold, some
animals simply travel to
warmer areas in the winter.
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00:02:51,171 --> 00:02:57,211
All sorts of animals do this,
birds, mammals, reptiles,
amphibians, and even insects.
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00:02:57,277 --> 00:02:59,177
Yep! Insects!
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00:02:59,245 --> 00:03:03,475
Check it out, the monarch
butterfly lives as far north
as Canada in the summer.
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00:03:03,550 --> 00:03:06,250
Where the winters gets way
too cold for them to survive.
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00:03:06,319 --> 00:03:11,959
So, every winter millions of
monarch butterflies migrate
up to 3,000 miles to Mexico,
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00:03:12,025 --> 00:03:13,755
where it's nice and warm.
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00:03:13,826 --> 00:03:15,196
How crazy it that?
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00:03:15,261 --> 00:03:18,131
So, migration, that's one
strategy we could try out.
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00:03:19,299 --> 00:03:20,629
KIRBY: Let's
check out another.
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00:03:20,700 --> 00:03:22,300
Ooh, going dormant.
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00:03:22,368 --> 00:03:24,268
Hmm, so this is kind
of like sleeping.
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00:03:24,337 --> 00:03:27,807
Some animals just kind of lay
low and wait out the cold.
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00:03:27,874 --> 00:03:29,984
CHARLIE: One version
of this is hibernation!
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00:03:30,043 --> 00:03:34,113
For bears it's called
torpor and lasts up to
seven and a half months!
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During this period their
metabolism, heart rate,
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00:03:36,849 --> 00:03:39,149
and body temperature
are all reduced.
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00:03:39,219 --> 00:03:43,319
They actually go seven
and a half months without
eating, drinking water,
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00:03:43,389 --> 00:03:45,489
or going to the bathroom!
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00:03:45,558 --> 00:03:48,998
That's like holding it from
July 1st 'till about February.
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00:03:49,062 --> 00:03:50,302
Insane!
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00:03:50,363 --> 00:03:53,833
KIRBY: So, going
dormant and waking up in
the spring might work.
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00:03:53,900 --> 00:03:56,800
CHARLIE: How about this
one, behavioral adaptation.
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00:03:56,869 --> 00:04:00,939
Some animals spend time
prepping for the cold weather
or they change their behavior.
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00:04:01,007 --> 00:04:03,077
For example, the Saw-Whet owl.
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00:04:03,142 --> 00:04:06,852
In the winter, this owl
stocks up on extra prey,
and lets them freeze.
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00:04:06,913 --> 00:04:10,783
When the owl is hungry, it
defrosts one of these frozen
meals by sitting on it.
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00:04:10,850 --> 00:04:12,950
Kind of like heating up
some frozen leftovers.
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00:04:13,019 --> 00:04:15,919
Yum! I could go for a
frozen meal or two.
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00:04:15,989 --> 00:04:18,889
KIRBY: And finally,
anatomical adaptation.
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00:04:18,958 --> 00:04:23,258
So, this seems to be
explaining the idea that some
animals have adaptations
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00:04:23,329 --> 00:04:25,999
that simply allow them
to dwell in the cold.
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00:04:26,065 --> 00:04:28,165
CHARLIE: It's kind of like
they were born with it.
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00:04:28,234 --> 00:04:32,674
Take Bowhead whales, they
swim in arctic waters all
year, where it's freezing!
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00:04:32,739 --> 00:04:36,479
The only reason they
can do this is because they're
surrounded in a thick layer
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00:04:36,542 --> 00:04:39,812
of blubber that's up to
half a meter thick.
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00:04:39,879 --> 00:04:41,449
That's so much blubber!
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00:04:41,514 --> 00:04:43,824
Bowhead whales don't have to
migrate to warmer waters,
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00:04:43,883 --> 00:04:46,193
or change their behavior
at all in the winter.
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00:04:46,252 --> 00:04:48,622
They are perfectly
built for the cold.
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00:04:48,688 --> 00:04:52,228
So, we've got migrating,
going dormant,
adapting our behaviors,
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00:04:52,292 --> 00:04:54,632
and adapting our anatomies.
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00:04:54,694 --> 00:04:56,404
I feel like we got
some good ideas here!
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00:04:56,462 --> 00:04:57,902
KIRBY: It's a good
start for sure.
102
00:04:57,964 --> 00:05:00,404
CHARLIE: But I feel
like we need some more
examples from the pros.
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00:05:00,466 --> 00:05:04,436
KIRBY: Yeah! I'd like to find
a few more specific ways we
could make this happen.
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00:05:04,504 --> 00:05:07,244
CHARLIE: If I'm right, I
think the games should be
starting sometime soon.
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00:05:07,307 --> 00:05:08,537
KIRBY: The games?
CHARLIE: Yeah.
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00:05:08,608 --> 00:05:10,008
You guys are gonna love this.
107
00:05:10,076 --> 00:05:13,506
Hello pikas and penguins,
hares, and bears, whales
and snails welcome all you
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00:05:13,579 --> 00:05:16,679
wonderful animals to
the Cold Weather Games!
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00:05:16,749 --> 00:05:21,219
I'm Chip Shivers broadcasting
alongside cold weather
commentator Bob Frost.
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00:05:21,287 --> 00:05:22,587
KIRBY: Pleasure
to be here Chip.
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00:05:22,655 --> 00:05:23,885
CHARLIE: Pleasure
to have you Bob.
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00:05:23,956 --> 00:05:26,986
We're so excited for today's
festivities but first.
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00:05:29,896 --> 00:05:31,156
KIRBY: Oh, come on!
114
00:05:31,230 --> 00:05:33,430
CHARLIE: We were just tuning
into the Cold Weather Games.
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00:05:33,499 --> 00:05:35,229
When we lost our signal!
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00:05:35,301 --> 00:05:36,471
KIRBY: I got it!
CHARLIE: Perfect!
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00:05:36,536 --> 00:05:37,966
We're back in action!
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00:05:38,037 --> 00:05:40,637
Welcome back cold weather
fanatics this is Chip Shivers,
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00:05:40,707 --> 00:05:42,807
broadcasting
alongside Bob Frost.
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00:05:42,875 --> 00:05:44,475
KIRBY: It's a pleasure
to be here, Chip.
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00:05:44,544 --> 00:05:46,714
CHARLIE: Again, it's a
pleasure to have you Bob.
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00:05:46,779 --> 00:05:50,179
We're bringing you all
the action from today's
Cold Weather Games.
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00:05:50,249 --> 00:05:54,389
This broadcast is the one
we've all been waiting
for, the awards ceremony!
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00:05:54,454 --> 00:05:58,224
We've already awarded
one gold medal, in the
migration competition,
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00:05:58,291 --> 00:06:01,461
where the Arctic Tern
took home the top prize.
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00:06:01,527 --> 00:06:06,727
KIRBY: The total round-trip
distance of the Arctic Tern's
migration is 25,000 miles.
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00:06:06,799 --> 00:06:09,799
That's equal to the
circumference of
the entire world,
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00:06:09,869 --> 00:06:12,369
and these birds
do it every year.
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00:06:12,438 --> 00:06:14,308
A deserving winner.
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00:06:14,974 --> 00:06:16,314
CHARLIE: No doubt
about that Bob.
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00:06:16,376 --> 00:06:19,446
We now turn our broadcast
to our next medal ceremony,
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00:06:19,512 --> 00:06:22,052
this one's for the
dormancy competition.
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00:06:22,115 --> 00:06:24,615
KIRBY: Another hard-fought
competition all around with
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00:06:24,684 --> 00:06:27,424
some very deserving
athletes in the mix.
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00:06:27,487 --> 00:06:29,787
CHARLIE: In third place
we have the black bear.
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00:06:29,856 --> 00:06:31,586
KIRBY: A really
great competitor,
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00:06:31,657 --> 00:06:35,127
they lose 20% of their
body weight during
their dormancy period.
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00:06:35,194 --> 00:06:38,234
CHARLIE: In second place,
the arctic ground squirrel.
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00:06:38,297 --> 00:06:42,897
KIRBY: Incredible stamina
here, Chip, the Arctic Ground
Squirrel's body dips below
140
00:06:42,969 --> 00:06:45,199
freezing during
its hibernation.
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00:06:45,271 --> 00:06:48,141
CHARLIE: And finally,
our winner the wood frog.
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00:06:48,207 --> 00:06:52,647
KIRBY: It's great to see an
amphibian win a medal here,
and you won't find a more
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00:06:52,712 --> 00:06:55,112
deserving amphibian
than the wood frog.
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00:06:55,181 --> 00:06:57,821
CHARLIE: The Wood Frog is a
truly incredible competitor
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00:06:57,884 --> 00:07:01,124
that survives the winter
by nearly freezing solid.
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00:07:01,187 --> 00:07:04,957
70% of the frog's body
water becomes solid ice.
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00:07:05,024 --> 00:07:08,594
These little guys stop
breathing and their hearts
stop beating for weeks at
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00:07:08,661 --> 00:07:11,901
a time until warmer temperatures
defrost their organs
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00:07:11,964 --> 00:07:14,774
and they come back to life
as if nothing happened.
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00:07:14,834 --> 00:07:16,874
KIRBY: Turning into a
frog popsicle every year?
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00:07:16,936 --> 00:07:18,436
Now that's some commitment.
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00:07:18,504 --> 00:07:19,944
CHARLIE: Without a doubt Bob.
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00:07:20,006 --> 00:07:22,876
Next, we move onto the
behavioral competition.
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00:07:22,942 --> 00:07:27,552
KIRBY: Animals that qualify
to compete in this event
use strategic behaviors,
155
00:07:27,613 --> 00:07:30,153
like storing food, to
last through the winter.
156
00:07:30,216 --> 00:07:33,446
And let me tell ya,
the animals really
brought it this year.
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00:07:33,519 --> 00:07:37,219
CHARLIE: Third place is
awarded to the Saw-Whet owl.
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00:07:37,290 --> 00:07:39,060
(owl hooting)
159
00:07:39,125 --> 00:07:43,095
CHARLIE: Second place
is no surprise, going
to the Chickadee.
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00:07:43,162 --> 00:07:47,532
KIRBY: Chickadees have
to gain 10% of their body
weight in fat each day.
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00:07:47,600 --> 00:07:50,270
Then they burn it all
at night to stay warm.
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00:07:50,336 --> 00:07:53,266
CHARLIE: But the gold
medal goes to, the Pika.
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00:07:53,339 --> 00:07:56,479
KIRBY: I had a feeling
we'd see a rodent take
a medal this year!
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00:07:56,542 --> 00:07:58,712
CHARLIE: Fantastic
athlete the Pika.
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00:07:58,778 --> 00:08:02,848
Small rodent-like animal
that spends entire
summer months gathering
166
00:08:02,915 --> 00:08:06,085
and stockpiling enormous
caches of food for the winter.
167
00:08:06,152 --> 00:08:08,222
But there's a little
controversy with this winner.
168
00:08:08,287 --> 00:08:12,017
Pika's engage in
kleptoparasitism.
169
00:08:12,091 --> 00:08:16,061
That means they're
constantly stealing food
from other Pika's caches.
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00:08:16,128 --> 00:08:19,298
KIRBY: But a little friendly
competition never really
hurt anyone now did it Chip.
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00:08:19,365 --> 00:08:20,665
CHARLIE: Indeed, not Bob.
172
00:08:20,733 --> 00:08:23,203
And now we move onto our
final medal ceremony.
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00:08:23,269 --> 00:08:28,809
The anatomical competition,
which showcases animals
whose bodies have physically
174
00:08:28,875 --> 00:08:32,075
evolved to best survive
extreme cold temperatures.
175
00:08:32,144 --> 00:08:35,354
KIRBY: One of the most
competitive events this year.
176
00:08:35,414 --> 00:08:38,384
CHARLIE: In third place,
we have the Bowhead Whale!
177
00:08:38,451 --> 00:08:40,721
KIRBY: A crowd
favorite for sure.
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00:08:40,786 --> 00:08:43,486
CHARLIE: Coming in second
place, the Arctic Fox!
179
00:08:43,556 --> 00:08:46,886
KIRBY: This fox goes through
an entire coat transformation,
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00:08:46,959 --> 00:08:50,299
turning white in the
winter to help blend in
with its surroundings.
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00:08:50,363 --> 00:08:53,373
CHARLIE: And coming in
first place, the Musk Ox!
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00:08:53,432 --> 00:08:56,872
KIRBY: The Musk Ox!
I wasn't expecting this one!
183
00:08:56,936 --> 00:08:59,006
CHARLIE: It's all
about that coat, Bob.
184
00:08:59,071 --> 00:09:01,171
Their coats are
composed of two layers.
185
00:09:01,240 --> 00:09:04,240
A thick outer coat, and
an even thicker undercoat
186
00:09:04,310 --> 00:09:06,850
that grows as the
winter approaches.
187
00:09:06,913 --> 00:09:11,553
Congrats to the Musk
Ox and congrats to all our
competitors at today's events
188
00:09:11,617 --> 00:09:13,747
at the Cold Weather Games.
189
00:09:13,819 --> 00:09:16,089
KIRBY: Special thanks to
our sponsor Bo Patrevia.
190
00:09:16,155 --> 00:09:19,925
CHARLIE: Bo Patrevia's
the official encyclopedia
of the Winter Games.
191
00:09:19,992 --> 00:09:21,332
Stay warm you animals.
192
00:09:21,394 --> 00:09:23,304
We'll see you tomorrow.
193
00:09:23,362 --> 00:09:25,402
Awesome, you know what
I've been thinking?
194
00:09:25,464 --> 00:09:26,504
KIRBY: What's up?
195
00:09:26,566 --> 00:09:28,026
CHARLIE: Where's the
one place where all
196
00:09:28,100 --> 00:09:29,200
of these animals live?
197
00:09:29,268 --> 00:09:30,768
KIRBY: Earth.
CHARLIE: Think smaller.
198
00:09:30,836 --> 00:09:32,196
KIRBY: I don't know,
let's check it out.
199
00:09:32,271 --> 00:09:33,571
CHARLIE: Alright,
uh humpback whales?
200
00:09:33,639 --> 00:09:35,879
KIRBY: Hawaii, and... Alaska.
201
00:09:35,942 --> 00:09:39,582
CHARLIE: Alright, uh Pikas?
KIRBY: Western US and... Alaska.
202
00:09:39,645 --> 00:09:41,405
CHARLIE: Arctic fox?
KIRBY: Alaska.
203
00:09:41,480 --> 00:09:42,920
CHARLIE: Wood frog?
KIRBY: Alaska.
204
00:09:42,982 --> 00:09:44,222
CHARLIE: Where do you
think we're going?
205
00:09:44,283 --> 00:09:46,053
KIRBY: I think we're
going to Alaska!
206
00:09:46,118 --> 00:09:47,088
CHARLIE: Alright guys!
207
00:09:47,153 --> 00:09:48,923
We gotta pack up a few
things, but when we get back,
208
00:09:48,988 --> 00:09:50,818
we're gonna head to
Alaska, sounds good?
209
00:09:50,890 --> 00:09:52,760
Alright, we'll
see you in a bit.
210
00:09:52,825 --> 00:09:54,285
KIRBY: We're gonna need
to pack some hot cocoa.
211
00:09:54,360 --> 00:09:55,600
CHARLIE: Probably a
lot of hot cocoa.
212
00:09:55,661 --> 00:09:56,801
KIRBY: Like a
lot of hot cocoa.
213
00:09:56,862 --> 00:09:59,072
Weird but true,
214
00:09:59,131 --> 00:10:02,271
Some Arctic fox dens
are 300 years old.
215
00:10:07,373 --> 00:10:08,773
CHARLIE: Hey guys!
KIRBY: Hey!
216
00:10:08,841 --> 00:10:10,341
CHARLIE: We just
finished packing up.
217
00:10:10,409 --> 00:10:14,649
KIRBY: So, today we're
learning about cold weather
animals and their adaptations.
218
00:10:14,714 --> 00:10:17,124
CHARLIE: And right now,
we're heading over to Alaska.
219
00:10:17,183 --> 00:10:20,693
Where we can see some
of these cold weather
animals in real life!
220
00:10:20,753 --> 00:10:22,223
Let's go!
221
00:10:24,223 --> 00:10:27,493
We're heading to
Alaska! The chilliest
state in the US!
222
00:10:27,560 --> 00:10:32,500
With over 600 officially named
glaciers, a solid chunk of its
land within the Arctic Circle.
223
00:10:32,565 --> 00:10:36,795
This is where we'll
definitely find some true
cold weather all-stars!
224
00:10:43,776 --> 00:10:45,006
We made it guys!
225
00:10:45,077 --> 00:10:46,277
KIRBY: Check it out!
226
00:10:46,345 --> 00:10:47,705
CHARLIE: We're outside
Portage at the
227
00:10:47,780 --> 00:10:50,720
Alaska Wildlife
Conservation Center.
228
00:10:50,783 --> 00:10:53,523
It's a cool like would
you say like 55 degrees?
229
00:10:53,586 --> 00:10:54,916
KIRBY: It's not bad at all.
230
00:10:54,987 --> 00:10:57,557
CHARLIE: Yeah not too bad at
all, but we're here to get
an up-close look at
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00:10:57,623 --> 00:11:02,263
an animal who's got it going on
when it comes to braving
extreme frigid temperatures.
232
00:11:02,328 --> 00:11:04,128
Check it out it's a caribou.
233
00:11:04,196 --> 00:11:08,096
Also known as a reindeer.
You'll have a hard time
finding an animal better
234
00:11:08,167 --> 00:11:12,607
adapted for life on ice
and snow and where it's
just absolutely freezing.
235
00:11:12,672 --> 00:11:14,442
Let's go get a closer look.
236
00:11:18,544 --> 00:11:20,314
KIRBY: Check out this
nose, inside there,
237
00:11:20,379 --> 00:11:22,979
there's something called
the nasal concha.
238
00:11:23,049 --> 00:11:24,849
CHARLIE: Fun science
word nasal concha.
239
00:11:24,917 --> 00:11:28,617
That's the area of the
nasal passage that heats
up the air we breathe in.
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00:11:28,688 --> 00:11:32,158
KIRBY: Yeah so basically
caribous have these, but
they're super huge and
241
00:11:32,224 --> 00:11:35,804
warms the arctic air that
they breathe in before
it gets to their lungs.
242
00:11:35,861 --> 00:11:39,331
So, their internal
body temperature
stays nice and warm.
243
00:11:39,398 --> 00:11:41,028
CHARLIE: You see those hooves?
244
00:11:41,100 --> 00:11:43,540
They're huge and spread
out over a wide area.
245
00:11:43,602 --> 00:11:47,872
So, they almost act like
snowshoes so caribou can walk
right on top of the snow.
246
00:11:47,940 --> 00:11:52,510
They're also scooped so
they're kind of like shovels
and the caribous use them to
247
00:11:52,578 --> 00:11:56,118
scoop away the snow, so they
can eat food underneath.
248
00:11:56,182 --> 00:12:00,252
They have a sharp edge,
so they can walk on
ice so they're perfect!
249
00:12:00,319 --> 00:12:04,259
Caribou hair is perfectly
adapted for the cold weather.
250
00:12:04,323 --> 00:12:09,033
There are two layers, one
smaller layer that's kind
of like a wool sweater and
251
00:12:09,095 --> 00:12:12,595
another thicker layer
that's longer, that's
like a nice jacket.
252
00:12:12,665 --> 00:12:14,325
So, it's like they're
double layered.
253
00:12:14,400 --> 00:12:17,400
Sweater, jacket, perfectly
adapted for the cold weather.
254
00:12:17,470 --> 00:12:20,670
Weird but true, that outer
layer, the hairs are hollow,
255
00:12:20,740 --> 00:12:23,680
and they actually help
'em float in the water.
256
00:12:24,076 --> 00:12:28,046
And the ultimate weapon in
their cold weather fighting
arsenal can't be seen.
257
00:12:28,114 --> 00:12:30,124
I think we need a little
bit more explanation.
258
00:12:30,182 --> 00:12:32,622
So, let's toss it
over to HQ real quick.
259
00:12:32,685 --> 00:12:36,815
It's all in their
legs, and it's called the
Countercurrent Heat Exchange.
260
00:12:36,889 --> 00:12:38,319
Fancy stuff.
261
00:12:38,390 --> 00:12:42,230
So, arteries carrying warm
blood from the heart are
squeezed right up next to
262
00:12:42,294 --> 00:12:45,434
veins carrying cold,
cold blood from the feet!
263
00:12:45,498 --> 00:12:48,868
The hot blood in
the arteries, warms the
cold blood in the veins.
264
00:12:48,934 --> 00:12:52,374
That way, the blood is
warmer when it makes its
way to the Caribou's core,
265
00:12:52,438 --> 00:12:54,768
so it doesn't lower the
caribou's core temperature.
266
00:12:54,840 --> 00:12:58,380
And cooled as it makes
its way to the hooves
reducing heat loss.
267
00:12:58,444 --> 00:13:00,714
Boom, the Countercurrent
Heat Exchange.
268
00:13:01,080 --> 00:13:02,250
Back to Alaska.
269
00:13:03,115 --> 00:13:06,145
Alright guys, fur,
hooves, nasal concha,
270
00:13:06,218 --> 00:13:10,218
caribou are finely crafted
cold-busting machines.
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00:13:10,289 --> 00:13:12,589
KIRBY: But we got a little
surprise in store for you.
272
00:13:12,658 --> 00:13:15,588
CHARLIE: Alright so some
animals hibernate to
get through the winter,
273
00:13:15,661 --> 00:13:18,031
other animals migrate
to warmer places,
274
00:13:18,097 --> 00:13:21,467
but only a select few were
absolutely built for it.
275
00:13:21,534 --> 00:13:23,204
KIRBY: They tackle
the winter head on.
276
00:13:23,269 --> 00:13:26,809
CHARLIE: So right now,
we're gonna go visit an animal
that's so well-tuned in to the
277
00:13:26,872 --> 00:13:31,012
cold here in Alaska that
without its help humans
would have never been able
278
00:13:31,076 --> 00:13:33,006
to settle here in
the first place.
279
00:13:33,078 --> 00:13:34,908
KIRBY: But that
animal's not here.
280
00:13:34,980 --> 00:13:36,480
CHARLIE: We gotta
take a quick trip.
281
00:13:36,549 --> 00:13:38,449
KIRBY: And there's only
one way to get there.
282
00:13:38,517 --> 00:13:42,247
CHARLIE: A nice Alaskan
helicopter ride!
283
00:13:42,321 --> 00:13:43,921
Let's go guys!
284
00:13:45,257 --> 00:13:46,857
PILOT (over radio): Next step,the helicopter's taking off.
285
00:13:46,926 --> 00:13:48,686
to (inaudible) riverlodge, eastbound.
286
00:13:48,761 --> 00:13:50,431
You guys are goingflying in Alaska.
287
00:13:50,496 --> 00:13:51,726
CHARLIE (over radio): Yeah!
288
00:13:51,797 --> 00:13:53,827
KIRBY (over radio):Not bad at all.
289
00:14:03,576 --> 00:14:06,146
CHARLIE: It's time to check
out our next animal all-stars.
290
00:14:06,212 --> 00:14:07,882
KIRBY: And you're never gonna
believe where they live.
291
00:14:07,947 --> 00:14:09,277
CHARLIE: Right here
on the glacier.
292
00:14:09,348 --> 00:14:12,218
They really love the cold.
Let's go check 'em out.
293
00:14:12,284 --> 00:14:16,794
We're here to find
the toughest cold weather
animals there are: sled dogs!
294
00:14:16,856 --> 00:14:22,256
From the early days, Alaskans
have relied on sled dogs to
survive their brutal climate.
295
00:14:22,328 --> 00:14:26,298
They've depended on them
to transport people,
supplies, and mail.
296
00:14:26,365 --> 00:14:30,295
And sled dogs even get
credit for stopping
a deadly epidemic,
297
00:14:30,369 --> 00:14:33,109
it's called the
Great Race of Mercy.
298
00:14:33,172 --> 00:14:37,442
Check it out.
1925, Nome, Alaska.
299
00:14:37,509 --> 00:14:40,379
A diphtheria outbreak was
ripping through the area.
300
00:14:40,446 --> 00:14:43,616
KIRBY: Diphtheria is
a bacterial disease
that can kill you.
301
00:14:43,682 --> 00:14:46,592
CHARLIE: 1400 people's
lives were threatened.
302
00:14:46,652 --> 00:14:49,322
The problem was, there
wasn't any medicine in Nome!
303
00:14:49,388 --> 00:14:55,028
But there was some in
Nenana, nearly 675 miles
away, with only one way
304
00:14:55,094 --> 00:14:57,964
to get between Nenana
and Nome, Sled dogs.
305
00:14:58,030 --> 00:15:01,500
Man, and dog had to work
together to save the city.
306
00:15:01,567 --> 00:15:05,297
They formed 20 teams,
with around 150 dogs,
307
00:15:05,371 --> 00:15:08,171
and relayed the medicine
towards Nome in shifts.
308
00:15:08,240 --> 00:15:11,440
They pushed through the snow,
the ice, and the frigid temps,
309
00:15:11,510 --> 00:15:15,250
but one day the final team
made its way into Nome.
310
00:15:15,314 --> 00:15:16,484
They made it!
311
00:15:16,548 --> 00:15:19,618
The medicine had arrived, and
hundreds of lives were saved.
312
00:15:19,685 --> 00:15:21,915
Thanks to the sled
dogs of Alaska.
313
00:15:22,655 --> 00:15:25,355
Guys, we're going
to take a quick break,
but when we come back,
314
00:15:25,424 --> 00:15:29,364
we're gonna hang out with
these all-stars and learn how
they beat the cold weather.
315
00:15:30,729 --> 00:15:32,399
KIRBY: Weird but true,
316
00:15:32,464 --> 00:15:35,074
The South Pole is colder
than the North Pole.
317
00:15:43,042 --> 00:15:47,212
CHARLIE: Guys it's raining
right now, we're on a glacier,
there's snow everywhere,
318
00:15:47,279 --> 00:15:48,879
I'm wearing like ten layers.
319
00:15:48,948 --> 00:15:54,348
All I wanna do is get inside,
but these Alaskan huskies,
they're in their element.
320
00:15:54,420 --> 00:15:57,360
This is what they were built
for and they're ready to run.
321
00:15:57,423 --> 00:15:59,393
Look how excited they are!
322
00:15:59,458 --> 00:16:03,658
There must be someone around
here that can introduce us to
these cold weather all-stars.
323
00:16:03,729 --> 00:16:05,899
Guys that's Justin!
324
00:16:05,965 --> 00:16:08,665
KIRBY: He finished the
Iditarod six times!
325
00:16:08,734 --> 00:16:11,944
CHARLIE: If there's anyone
who can tell us about
sled dogs it's this guy!
326
00:16:12,004 --> 00:16:13,544
Let's go say hi!
327
00:16:13,605 --> 00:16:17,505
KIRBY: Justin Savidis,
professional dog sledder,
328
00:16:17,576 --> 00:16:21,546
he started with two
dogs and now has 54.
329
00:16:21,613 --> 00:16:23,683
His favorite Weird
but true fact is
330
00:16:30,055 --> 00:16:32,085
CHARLIE: So, we wanna
learn all about sled dogs.
331
00:16:32,157 --> 00:16:33,227
Can you help us out?
332
00:16:33,292 --> 00:16:34,862
JUSTIN: Absolutely, but first
let's get out of the rain.
333
00:16:34,927 --> 00:16:36,057
KIRBY: Awesome.
CHARLIE: Sounds good to me.
334
00:16:36,128 --> 00:16:37,258
Let's go guys!
335
00:16:39,198 --> 00:16:41,228
This is a little better
and a little warmer.
336
00:16:41,300 --> 00:16:42,430
Thanks for bringing
us in here.
337
00:16:42,501 --> 00:16:43,571
Where are we right now?
338
00:16:43,635 --> 00:16:44,935
JUSTIN: Colony
Glacier in Alaska.
339
00:16:45,004 --> 00:16:46,544
CHARLIE: Oh, very nice.
And who's this?
340
00:16:46,605 --> 00:16:48,965
JUSTIN: This is Harris.
She's my two-year-old leader.
341
00:16:49,041 --> 00:16:50,211
CHARLIE: Hey Harris.
KIRBY: Hey Harris.
342
00:16:50,275 --> 00:16:51,435
CHARLIE: How's it going?
343
00:16:51,510 --> 00:16:53,210
JUSTIN: She actually finished
her first Iditarod this year.
344
00:16:53,278 --> 00:16:54,478
CHARLIE: Holy cow.
KIRBY: Nice job.
345
00:16:54,546 --> 00:16:55,846
CHARLIE: With you?
JUSTIN: With me.
346
00:16:55,914 --> 00:16:58,084
CHARLIE: Guys, the Iditarod
Trail dog sled race is an
347
00:16:58,150 --> 00:16:59,820
annual long-distance race
348
00:16:59,885 --> 00:17:03,015
in Alaska that runs with
a team of 21 dogs.
349
00:17:03,088 --> 00:17:06,488
JUSTIN: You're out
there anywhere between
ten to 14 days.
350
00:17:06,558 --> 00:17:08,028
It's 1,000 miles.
351
00:17:08,093 --> 00:17:12,803
You're gonna see everything
from minus 65 to you have
to cross down Yukon River,
352
00:17:12,865 --> 00:17:16,395
you have to go across the
ocean, you're gonna be in
wind storms, snow storms.
353
00:17:16,468 --> 00:17:20,068
Some of my dogs have
traveled about 23,000
miles in their life.
354
00:17:20,139 --> 00:17:21,409
KIRBY: Whoa.
355
00:17:21,473 --> 00:17:23,143
CHARLIE: That's a lot.
And does it wear them out?
356
00:17:23,208 --> 00:17:24,338
Or do they enjoy it?
357
00:17:24,410 --> 00:17:25,540
JUSTIN: They love it.
358
00:17:25,611 --> 00:17:27,581
If you had to force these guys
to do it, it would never work.
359
00:17:27,646 --> 00:17:29,816
Iditarod is not a sport that
you just show up and win.
360
00:17:29,882 --> 00:17:32,652
It takes time, it
takes endurance, it
takes not giving up.
361
00:17:32,718 --> 00:17:35,688
They're always looking
to you too, to give them
guidance and direction.
362
00:17:35,754 --> 00:17:36,764
CHARLIE: Mhm.
363
00:17:36,822 --> 00:17:37,992
JUSTIN: So, if you wanted
them to go a little bit right
364
00:17:38,057 --> 00:17:39,117
you just say "gee",
365
00:17:39,191 --> 00:17:40,731
if you want them to go
left, you just say "haw".
366
00:17:40,793 --> 00:17:41,963
CHARLIE: Gee is
right, haw is left?
367
00:17:42,027 --> 00:17:43,397
JUSTIN: Yup.
CHARLIE: What's go?
368
00:17:43,462 --> 00:17:46,132
JUSTIN: Let's go.
CHARLIE: Let's go.
369
00:17:46,198 --> 00:17:47,968
JUSTIN: We never say.
CHARLIE: Let's go!
370
00:17:48,033 --> 00:17:49,173
JUSTIN: We never say mush.
371
00:17:49,234 --> 00:17:51,074
I'm sorry to tell you that.
372
00:17:51,637 --> 00:17:54,037
Typically, I'll put coats on
'em if it's about minus 20,
373
00:17:54,106 --> 00:17:55,566
especially if it's really windy.
374
00:17:55,641 --> 00:17:57,881
I've had dogs out
as cold as minus 65.
375
00:17:57,943 --> 00:17:59,583
KIRBY: Whoa.
CHARLIE: Oh my gosh.
376
00:17:59,645 --> 00:18:00,945
JUSTIN: And they do just fine.
377
00:18:01,013 --> 00:18:02,883
What helps keep them really
warm though is how much food
378
00:18:02,948 --> 00:18:04,048
you're putting in 'em.
379
00:18:04,116 --> 00:18:05,046
CHARLIE: Uh huh.
380
00:18:05,117 --> 00:18:06,947
JUSTIN: We put 12,000
calories a day into each dog.
381
00:18:07,019 --> 00:18:08,049
CHARLIE: Mhm.
KIRBY: Wow.
382
00:18:08,120 --> 00:18:09,090
JUSTIN: That'd be like
you guys eating 70,
383
00:18:09,154 --> 00:18:10,364
80 cheese burgers a day.
384
00:18:10,422 --> 00:18:11,622
KIRBY: Yikes.
CHARLIE: Oh!
385
00:18:11,690 --> 00:18:12,890
JUSTIN: For ten days.
386
00:18:12,958 --> 00:18:14,288
You have to keep
their furnace going.
387
00:18:14,359 --> 00:18:18,499
CHARLIE: Weird but true,
the first Iditarod winner
finished in over 20 days.
388
00:18:18,564 --> 00:18:22,674
Justin's best time is ten
days and the record is eight.
389
00:18:22,734 --> 00:18:23,974
Super quick.
390
00:18:24,736 --> 00:18:27,806
KIRBY: So, what makes
Alaskan huskies so
equipped for the cold?
391
00:18:27,873 --> 00:18:29,743
JUSTIN: They have, what's
called, a double coat.
392
00:18:29,808 --> 00:18:32,678
You've got guard hairs
on top and that's a
little bit like gortex.
393
00:18:32,744 --> 00:18:33,714
KIRBY: Mhm.
CHARLIE: Mm.
394
00:18:33,779 --> 00:18:35,279
JUSTIN: And then they have
basically a goose down
395
00:18:35,347 --> 00:18:36,847
underneath for their undercoat.
396
00:18:36,915 --> 00:18:37,975
KIRBY: Oh yeah.
397
00:18:38,050 --> 00:18:39,050
JUSTIN: That's what
keeps them warm.
398
00:18:39,118 --> 00:18:40,218
CHARLIE: It's super thick.
JUSTIN: Yeah.
399
00:18:40,285 --> 00:18:41,685
CHARLIE: Like you can't even
really get to the bottom of it
400
00:18:41,753 --> 00:18:42,823
when you're petting her.
401
00:18:42,888 --> 00:18:44,318
JUSTIN: This is her
summer coat right now.
402
00:18:44,389 --> 00:18:45,559
CHARLIE: Oh my gosh.
403
00:18:45,624 --> 00:18:46,794
KIRBY: Just wait
for the winter.
404
00:18:46,859 --> 00:18:48,159
CHARLIE: Just wait until
the winter comes out.
JUSTIN: Yup.
405
00:18:48,227 --> 00:18:49,557
CHARLIE: It's gonna
be even thicker.
406
00:18:49,628 --> 00:18:51,498
JUSTIN: This is just a
breed that's evolved in
Alaska and evolved in the
407
00:18:51,563 --> 00:18:53,773
Northern climates, like
anything, it just is
build for this country.
408
00:18:53,832 --> 00:18:55,572
CHARLIE: It's
freezing outside.
409
00:18:55,634 --> 00:18:58,444
It's raining, and you
just got 'em tied up
to their little huts,
410
00:18:58,504 --> 00:19:00,214
and they seem just
happy as can be.
411
00:19:00,272 --> 00:19:01,342
KIRBY: Yeah.
412
00:19:01,406 --> 00:19:03,236
JUSTIN: There's
several that will sleep
outside all the time.
413
00:19:03,308 --> 00:19:04,378
CHARLIE: Yeah?
414
00:19:04,443 --> 00:19:06,353
JUSTIN: I had a dog who would
sleep outside at minus 40.
415
00:19:06,411 --> 00:19:07,681
CHARLIE: Oh my gosh.
416
00:19:07,746 --> 00:19:08,976
JUSTIN: I'd try and
put him in his house,
417
00:19:09,047 --> 00:19:11,517
and he'd put his paws
against the door like,
"Nope. I'm not going in."
418
00:19:11,583 --> 00:19:13,593
CHARLIE: I wanna be in the cold.
419
00:19:13,652 --> 00:19:18,762
Alright guys quick
recap, Alaskan Huskies in
negative 60-degree weather,
420
00:19:18,824 --> 00:19:21,934
all they need is a
nice thin dog coat,
a pair of booties,
421
00:19:21,994 --> 00:19:25,064
and about 12,000 calories
worth of dog food.
422
00:19:25,130 --> 00:19:26,330
That's it.
423
00:19:26,398 --> 00:19:28,568
So, Justin do you think
we can go for a ride?
424
00:19:28,634 --> 00:19:29,804
JUSTIN: Let's go.
425
00:19:29,868 --> 00:19:31,738
CHARLIE: Alright
let's go guys.
426
00:19:37,276 --> 00:19:39,476
JUSTIN: Alright let's go.
CHARLIE: Yeah!
427
00:19:39,545 --> 00:19:42,175
KIRBY: Yeah!
CHARLIE: Oh man.
428
00:19:42,247 --> 00:19:45,147
KIRBY: This is sick.
CHARLIE: Woo!
429
00:19:45,217 --> 00:19:48,387
KIRBY: They're in their
element right now.
430
00:19:50,422 --> 00:19:52,022
JUSTIN: How are
you guys doing?
431
00:19:52,090 --> 00:19:53,330
CHARLIE: I'm cold but.
KIRBY: Pretty good!
432
00:19:53,392 --> 00:19:55,732
CHARLIE: Feeling great.
JUSTIN: Pretty cool isn't it?
433
00:19:55,794 --> 00:19:57,564
KIRBY: Pretty amazing.
CHARLIE: This is awesome.
434
00:19:57,629 --> 00:19:59,499
JUSTIN: Gee, Gee.
435
00:19:59,565 --> 00:20:02,795
KIRBY: Nice!
CHARLIE: Woo!
436
00:20:18,350 --> 00:20:21,190
JUSTIN: Easy, easy guys.
437
00:20:23,422 --> 00:20:25,392
CHARLIE: I'm absolutely
freezing right now.
438
00:20:25,457 --> 00:20:28,027
I can barely feel my face
and my hands are so numb.
439
00:20:28,093 --> 00:20:31,363
So, we're going to go back
to HQ, but we'll see you
there in a few minutes.
440
00:20:31,430 --> 00:20:32,860
Awesome!
441
00:20:33,198 --> 00:20:34,298
KIRBY: Weird but true,
442
00:20:38,003 --> 00:20:39,403
CHARLIE: Hey guys!
How's it going?
443
00:20:39,471 --> 00:20:41,311
KIRBY: We just got
back from Alaska!
444
00:20:41,373 --> 00:20:43,413
CHARLIE: There were sled dogs!
KIRBY: And a helicopter!
445
00:20:43,475 --> 00:20:46,305
CHARLIE: I pet a caribou!
KIRBY: It was amazing.
446
00:20:46,378 --> 00:20:48,208
CHARLIE: We learned
so much today.
447
00:20:48,280 --> 00:20:52,520
We definitely have some
strategies that we can use to
stay warm during the winter.
448
00:20:52,584 --> 00:20:55,194
We can, migrate to warmer
areas like monarchs.
449
00:20:55,254 --> 00:20:57,794
Or, kind of sleep through
the winter, like wood frogs.
450
00:20:57,856 --> 00:21:02,386
Or, if we're feeling
like it, we can do some major
cold weather prep like Pikas.
451
00:21:02,461 --> 00:21:05,661
It's just too bad we're
not more built for the cold,
like Bowhead whales you know?
452
00:21:05,731 --> 00:21:07,101
That would be nice.
453
00:21:07,165 --> 00:21:08,525
What else did we learn today?
454
00:21:08,600 --> 00:21:10,340
There were so many
weird but true facts!
455
00:21:10,402 --> 00:21:15,472
KIRBY: Countercurrent
heat exchange is a fancy cold
weather adaptation in caribou
456
00:21:15,540 --> 00:21:18,080
legs to minimize heat loss.
457
00:21:18,143 --> 00:21:22,453
The coat of an Arctic Fox
changes color in the winter.
458
00:21:22,514 --> 00:21:27,654
Some of Justin's sled
dogs have traveled
nearly 23,000 miles.
459
00:21:27,719 --> 00:21:30,519
CHARLIE: Kirb, do people even
listen to the radio anymore?
460
00:21:30,589 --> 00:21:34,289
KIRBY: Of course,
Charles, it's an integral
part of modern-day media.
461
00:21:34,359 --> 00:21:36,699
And besides it's just
kind of fun to listen to.
462
00:21:36,762 --> 00:21:38,332
(radio static)
463
00:21:38,397 --> 00:21:40,127
CHARLIE: Betty
Clarey's Dictionaries.
464
00:21:40,198 --> 00:21:41,328
Are you siblings?
465
00:21:41,400 --> 00:21:42,770
Do you live in Chicago?
466
00:21:42,834 --> 00:21:45,474
Betty Clarey's Dictionaries
are the dictionaries for you!
467
00:21:45,537 --> 00:21:47,067
Order your set today!
468
00:21:47,139 --> 00:21:48,969
KIRBY: We got to order now!
CHARLIE: I guess so!
469
00:21:49,041 --> 00:21:50,241
KIRBY: I'll get the envelope.
470
00:21:50,309 --> 00:21:52,279
CHARLIE: Alright guys,
I guess we got some
dictionaries to order!
471
00:21:52,344 --> 00:21:53,784
KIRBY: Oh man,
where's the pen!
472
00:21:53,845 --> 00:21:55,105
CHARLIE: But thanks so
much for stopping by!
473
00:21:55,180 --> 00:21:56,620
Come by again when we discover
more things that are weird.
474
00:21:56,682 --> 00:21:58,622
KIRBY: But true!
CHARLIE: We'll see you soon!
475
00:21:58,684 --> 00:22:00,094
Captioned by
Cotter Captioning Services.
41040
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