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The bizarre physics of fire ants

Adults Animals
They're not just an animal, they're a material. And that's got engineers interested.
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Why no aquarium has a great white shark

Adults Animals
Many have tried to keep a white shark in captivity. Here's why that's so difficult.
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Art Aquarium: Hidetomo Kimura's fishy installation

Adults Animals
One of Tokyo's most popular summer attractions features LED light displays, impressive glass sculptures, an immersive soundscape and, most importantly, thousands of sea creatures. Japanese artist Hidetomo Kimura's Art Aquarium combines the movements of about 5,000 goldfish with light shows, beautifully crafted fishbowls, and projection mapping.
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Who Lives At The Bottom Of The Mariana Trench?

Adults Animals
Creepy Monsters At The Bottom Of The Mariana Trench.
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Wildlife crossings stop roadkill. Why aren't there more?

Adults Animals
A better way for animals to cross the road.
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Dog Hair Clothes | Knit Your Dog // 60 Second Docs

Adults Animals
Jeannie Sanke of Evanston, Illinois, knits with one of the world's most unusual materials: wool from dog hair. A proud mom to multiple dogs, Jeannie realized one day that their endless supply of hair didn't have to go to waste -- then picked up her drop spindle and started to knit. Now she sells these completely cruelty-free clothes in her Etsy shop, Knit Your Dog, where people pay her as much as $800 for a dog hair sweater.
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Are huskies Russian? Depends who you ask.

Adults Animals
What I learned when I trained sled dogs for a day.
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This Famous Tongue Twister Is Actually About Dinosaurs

Adults Animals
"She sells seashells by the seashore" isn't the whole story.
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The ferocious predatory dinosaurs of Cretaceous Sahara - Nizar Ibrahim

Adults Animals
In Cretaceous times (around 100 million years ago), North Africa was home to a huge river system and a bizarre menagerie of giant prehistoric predators -- including the Spinosaurus, a dinosaur even more fearsome than the Tyrannosaurus rex. Nizar Ibrahim uses paleontological and geological data to reconstruct this "River of Giants" in surprising detail.
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How dead is the Great Barrier Reef?

Adults Animals
Coral bleaching is the biggest threat to the Great Barrier Reef. But it's too early for obituaries.
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This incredible animation shows how deep the ocean really is

Adults Animals
Just how deep does the ocean go? Way further than you think. This animation puts the actual distance into perspective, showing a vast distance between the waves we see and the mysterious point we call Challenger Deep.
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Why are sloths so slow? - Kenny Coogan

Adults Animals
Sloths spend most of their time eating, resting, or sleeping; in fact, they descend from their treetops canopies just once a week, for a bathroom break. How are these creatures so low energy? Kenny Coogan describes the physical and behavioural adaptations that allow sloths to be so slow.
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Why do animals have such different lifespans? - Joao Pedro de Magalhaes

Adults Animals
For the microscopic lab worm C. elegans, life equates to just a few short weeks on Earth. The bowhead whale, on the other hand, can live over two hundred years. Why are these lifespans so different? And what does it really mean to 'age' anyway? Joao Pedro de Magalhaes explains why the pace of aging varies greatly across animals.
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The three different ways mammals give birth - Kate Slabosky

Adults Animals
All mammals share certain characteristics, like warm blood and backbones. But despite their similarities, these creatures also have many biological differences - and one of the most remarkable differences is how they give birth. Kate Slabosky details the placental, marsupial, and monotreme methods of giving birth.
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Why peregrine falcons are the fastest animals on earth

Adults Animals
Cheetahs are fast, but not faster than a diving peregrine falcon.
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The World's Deadliest Venom Could Save Your Life

Adults Animals
Some animals produce venom that is lethal to both their prey and to humans, but scientists are finding ways to use these compounds as medicine.
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Why wild African elephants get by with hardly any sleep

Adults Animals
Scientists tracked elephants with devices like Fitbits, and discovered African elephants in the wild sleep far less than anyone expected. It proves there's a huge gap in what we know about how and why animals sleep.
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Meet the designer cats with wild blood

Adults Animals
Bengals, Savannahs, and Toygers, explained.
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How wildlife films warp time

Adults Animals
Slow motion and timelapse can reveal the wonders of the natural world.
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The Flow Hive allows beekeepers to access honey without taking bees out of their hive.

Adults Animals
The Flow Hive allows beekeepers to access honey without taking bees out of their hive.
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Why Can't Chimpanzees Speak?

Adults Animals
Chimpanzees are very smart animals, so why can't they speak? Tara is here to explain how a gene mutation allows humans to speak, but not chimps.