SciShow
Anal Teeth, Paralyzing Farts, and Other Weaponized Butts
All animals have adaptations that help them survive in the wild...some just focus more on back-end development than others. Whether for offense, defense, or both, here are five creatures with butt-kicking behinds!
TED Talks
TED: How to transform apocalypse fatigue into action on global warming | Per espen Stoknes
The biggest obstacle to dealing with climate disruptions lies between your ears, says psychologist and economist Per espen Stokes. He's spent years studying the defenses we use to avoid thinking about the demise of our planet -- and...
SciShow
3 Reasons Animals Puke Their Guts Out (Literally)
For most of us, the term "puke your guts out" isn't meant to taken literally. But for these animals, it's kind of useful.
SciShow
Why Are Honeybees Making Mummies?
Sure, honeybees make delicious honey. But have you ever heard of propolis, the spitty glue they use to mummify intruders?
Amoeba Sisters
Immune System
Explore the basics about the immune system with The Amoeba Sisters! This video talks about the three lines of defense and also compares cell-mediated response with the humoral response.
MinuteEarth
The Best Pokémon (According to Science)
There’s lots of debate as to which original starter Pokémon is the best fighter among squirtle, bulbasaur, charmander, and pikachu, but only one is the most biologically plausible.
Crash Course
Types of Bureaucracies: Crash Course Government and Politics
This week Craig Benzine breaks down the different types of bureaucracies. I mean sure, they’re all part of the executive branch, but some work more directly with the president than others. Some bureaucracies exist solely to independently...
SciShow
Why Herpes Is the Most Talented Virus Ever
Unlike with many other viruses, once you get a herpesvirus you’re stuck with it for life. But just how do these master trespassers accomplish this feat?
TED Talks
Daniel Suarez: The kill decision shouldn't belong to a robot
As a novelist, Daniel Suarez spins dystopian tales of the future. But on the TEDGlobal stage, he talks us through a real-life scenario we all need to know more about: the rise of autonomous robotic weapons of war. Advanced drones,...
TED Talks
TED: How we found the giant squid | Edith Widder
Humankind has been looking for the giant squid (Architeuthis) since we first started taking pictures underwater. But the elusive deep-sea predator could never be caught on film. Oceanographer and inventor Edith Widder shares the key...
SciShow
Basically Every Mammal Is Good at Swimming... Except Us
From the world’s biggest land animal to a creature built more like a tank than a sub, meet seven mammals that you might not think can swim well, but do! CHAPTERS View all MOOSE 1:33 2 ELEPHANTS 3:21 ARMADILLOS 4:54 CAMELS 5:32 6 SLOTHS 9:03
TED Talks
Nicholas Negroponte: Taking OLPC to Colombia
TED follows Nicholas Negroponte to Colombia as he delivers laptops inside territory once controlled by guerrillas. His partner? Colombia's Defense Department, who see One Laptop per Child as an investment in the region. (And you too can...
SciShow
The Real Reason Dogs Kick When You Scratch Them
If you’ve ever been scratching a dog and seen them do the kicky leg thing, it’s truly adorable. But it might not necessarily be a feel-good thing.
Be Smart
Could You Be Immune To Everything?
Do you remember having a cold in 5th grade? Or the flu a couple years ago? Your immune system does. Our bodies hold many levels of immune defense. Millions of B cells and T cells and antibodies are constantly on patrol for germs and...
TED-Ed
TED-ED: The science of skin - Emma Bryce
Between you and the rest of the world lies an interface that makes up 16% of your physical weight. This is your skin, the largest organ in your body: laid out flat, it would cover close to 1.7 square meters of ground. But besides keeping...
SciShow
Dangerous Soaps: How Animals Use Surfactants
When you think of surfactants, you might think of soaps, detergents and other man-made chemicals. But it turns out that some other animals utilize their own versions of these sudsy molecules.
SciShow
That’s Not a Rattlesnake… It’s an Owl!
When living underground leaves them vulnerable to attack, burrowing owls have a trick up their sleeve—they’ve developed the ability to mimic rattlesnake sounds that scare off predators!
Crash Course
Immune System, part 1: Crash Course A&P
Our final episodes of Anatomy & Physiology explore the way your body keeps all that complex, intricate stuff alive and healthy -- your immune system. The immune system's responses begin with physical barriers like skin and mucous...
TED-Ed
TED-ED: The surprising reasons animals play dead - Tierney Thys
From lemurs to lizards, ants to amphibians, sharks to chickens, hundreds of animals "play dead" as a survival tactic. But how and why do animals do this? Tierney Thys explains how this curious behavior, known as tonic immobility or TI...
Crash Course
The Black Panther Party: Crash Course Black American History #39
Many organizations have made it their mission to expand the rights of Black Americans. The NAACP and the Urban League are examples of influential organizations with long histories. But a long history or extensive membership isn't always...
Crash Course
Community Ecology II: Predators - Crash Course Ecology
Hank gets to the more violent part of community ecology by describing predation and the many ways prey organisms have developed to avoid it.
TED-Ed
TED-ED: The accident that changed the world - Allison Ramsey and Mary Staicu
In 1928, scientist Alexander Fleming returned to his lab and found something unexpected: a colony of mold growing on a Petri dish he’d forgotten to place in his incubator. And around this colony of mold was a zone completely and...
Curated Video
Protein functions in the human body
Proteins are complex macromolecules that are considered 1 of the 4 macromolecules that make up life. Proteins have many functions beyond being structural components of cells.
Curated Video
The Role of Wildfires: Destructive Forces and Beneficial Aspects
This video discusses the role of wildfires in natural ecosystems and their destructive power. It highlights the beneficial aspects of wildfires, such as clearing out debris and promoting new tree growth. The video also explores the use...