TED-Ed
TED-Ed: Why don't poisonous animals poison themselves? - Rebecca D. Tarvin
Thousands of animal species use toxic chemicals to defend themselves from predators. Snakes have blood clotting compounds in their fangs, the bombardier beetle has corrosive liquid in its abdomen and jellyfish have venomous, harpoon-like...
SciShow Kids
What Is Squid Ink?
Our friend the Giant Squid inspired a SciShow Kids viewer to write us and ask, 'What is squid ink, and can you write with it?' Jessi has the answers!
SciShow
Why Do Fish School?
You might think that fish ride the undercurrents with all their buds to avoid the hungry mouths of predators - safety in numbers, right? But, it turns out, there’s more to consider when asking why fish swim in schools.
SciShow
5 Toxins Animals Steal For Themselves
Thievery is a known survival strategy in the wild. But you couldn’t steal a toxin...or could you? Meet 5 animals that turn someone else’s poison into their own weapon of choice. PORE-FORMING TOXINS 0:50 BIRDS-FOOT TREFOIL 2:45 SIX-SPOT...
Be Smart
Why Are Cicadas So Good At Math?
Do periodical cicadas "know" how to calculate prime numbers? One of the strangest life cycles in all of biology, explained!
SciShow Kids
Armadillos: Animals with Armor!
Animals use all kinds of tricks and adaptations to keep themselves safe from predators, but armadillos stand out for a really special reason: they have their own, built-in suit of armor!
SciShow
The Science of Sleep
If you celebrate American Thanksgiving, odds are you're full of food and pretty sleepy right about now. While you drift off for a post-feast nap, enjoy this compilation of episodes covering all kinds of different sleepy, science-y topics!
MinuteEarth
Can Math Explain How Animals Get Their Patterns?
Here are some handy keywords to get your googling started: Reaction-diffusion system: A hypothetical system in which multiple chemical substances diffuse through a defined space at different rates and react with one another, thereby...
SciShow
The Northern Hemisphere’s Very Own Giant Penguins (Sort Of)
Today, penguins are found mainly in the Southern Hemisphere. But fossils have revealed giant lookalikes to these swimming birds further up north, spurring questions of how they evolved and what happened to them.
SciShow
SciShow Quiz Show: A Different Kind of Animal Wonders
Jessi from Animal Wonders gets a Quiz Show rematch against Hank. Will he prevail this time, or commit an animal blunder?
Be Smart
Nature's Living Fireworks
Nearly all life on Earth is ultimately powered by light. But many creatures have learned how to make their own. This week we investigate the beautiful phenomenon of bioluminescence. From blinking fireflies on summer nights to glowing...
SciShow
8 Creepy Animals That Are Actually Harmless
Claws, teeth, stingers... there are a lot of things that can make an animal look downright scary and dangerous. Sometimes, though, looks can be deceiving! Face your fears and learn about eight animals that use their tough looks to hide...
MinuteEarth
Why are Snakes so Creepy?
Snakes occupy a special place in the human brain because they’re so weird. __________________________________________ FYI: We try to leave jargon out of our videos, but if you want to learn more about this topic, here are some keywords...
SciShow
This Fish Bulks Up When Danger is Near
Sometimes the hairs on the back of your neck raise up when you sense that danger might be near, but what if you were also able to bulk yourself up like a muscular balloon to fend off that danger? This fish, it turns out, can do exactly...
SciShow
The Math and Mystery of Murmurations
If you've ever seen a group of starlings in flight, you've appreciated one of nature's most hypnotic sights -- the lava-lamp-like flow of a murmuration. SciShow explains the biology and mathematics behind this beautiful phenomenon.
SciShow
Why Are Periodical Cicadas So ... Periodical?
Certain cicada species in North America emerge from the ground by the millions every 13 or 17 years. But why those specific intervals? Are cicadas secretly prime-number-loving mathematicians?!
SciShow
Slug Sex and Bubble Rafts: Nature's Most Unusual Slime
Slime videos have been a popular trend on YouTube recently, but there are a few animals with their own versions of slime, which they use for some very cool things!
PBS
Why Megalodon (Definitely) Went Extinct
For more than 10 million years, Megalodon was at the top of its game as the oceans' apex predator...until 2.6 million years ago, when it went extinct. So, what happened to the largest shark in history?
SciShow
SciShow Talk Show: Animal Weapons with Doug Emlen & A Southern Three-Banded Armadillo
This week on the SciShow Talk Show Doug Emlen talks about animal weapons! Jessi from Animal Wonders joins the show to talk about animal defenses and introduce us to the southern three-banded armadillo.
SciShow
Kleptopredation Natural Turduckens
Some birds steal food from other birds to save themselves work, but kleptopredators take it one step further!
SciShow
7 Ridiculous Feats of Strength in the Animal Kingdom
You're probably already familiar with some of the more common examples of super strong animals, like the crocodile with its powerful bite or the leafcutter ant's impressive overhead carry. However, there are lots of lesser-known animals...
Amoeba Sisters
Food Webs and Energy Pyramids: Bedrocks of Biodiversity
Explore food chains, food webs, energy pyramids, and the power of biodiversity in this ecology video by the Amoeba Sisters! This video also introduces general vocabulary for the unit of ecology.
SciShow
There's a Wave Made Out of Fish
If you’ve been to a sporting event with a large number of people, you’ve likely seen, or even been a part of, “the wave.” But did you know that there are little fishies who do a version of the wave not for fun, but for survival?
SciShow
The Insect Nothing Messes With: Meet the Velvet Ant
Big or small, most creatures end up on something else's dinner menu. But the velvet ant combines a ton of defenses into one very unappetizing package.