TED Talks
Roger Hanlon: The amazing brains and morphing skin of octopuses and other cephalopods
Octopus, squid and cuttlefish -- collectively known as cephalopods -- have strange, massive, distributed brains. What do they do with all that neural power? Dive into the ocean with marine biologist Roger Hanlon, who shares astonishing...
SciShow Kids
Why Don’t Animals Need Sunscreen?
You should always wear sunscreen when you're playing outside, but you may have noticed that animals are outside all the time and they don't need sunscreen. Why?
SciShow
How to Survive a Nuclear Attack
If you want to be prepared for a nuclear attack, here’s a science-based guide to help you get there.
SciShow
Does Alcohol Really Keep You Warm?
As if you needed any more proof that alcohol just makes weird stuff happen, Quick Questions explains why alcohol can make you /feel/ warm, when it's actually making your body colder. You'll never think of brandy the same way again!
SciShow Kids
Why Do Dogs Pant?
When people run around on a hot summer day, their sweat can help them cool off! But dogs can't sweat, and they have big, furry coats! So what can they do to stay cool?!
SciShow
Does Getting COVID-19 Make You Immune to It? | SciShow News
Like a common cold or a cold sore, would it be possible to get a reinfection of COVID-19? Would we be able to build up long-term resistance to it?
SciShow
What Causes Sunburns?
Why does too much sun turn some people's skin all red and shiny? Quick Questions explains!
SciShow
Estivation: How Mucus Saved My Life
Learn how some animals have adapted to survive in some of the hottest and driest environments in the world, by covering themselves in mucus and calling it good.
TED Talks
Neri Oxman: Design at the intersection of technology and biology
Designer and architect Neri Oxman is leading the search for ways in which digital fabrication technologies can interact with the biological world. Working at the intersection of computational design, additive manufacturing, materials...
SciShow
How Do I Grow a Beard?
People ask Google everything under the sun. One of the most commonly searched questions in the world is “How do I grow a beard?”? Let SciShow explain.
TED Talks
Rana Abdelhamid: 3 lessons on starting a movement from a self-defense trailblazer
At 16, Rana Abdelhamid started teaching self-defense to women and girls in her neighborhood. Almost 10 years later, these community classes have grown into Malikah: a global grassroots network creating safety, power and solidarity for...
Be Smart
Why Do We Itch?
It's one of the most annoying sensations our bodies can feel, but does anything feel better than when you scratch an itch? Ok, maybe *some* things. But itching and scratching are up there. How does this weird sensation work? And what is...
SciShow
A Potential New Staph Vaccine and Touchable "Holograms"
What's cooler: A vaccine for one of the deadliest bacterial infections around or a holodeck? Well, this week we got a step closer to BOTH!
TED-Ed
TED-ED: All of the energy in the universe is... - George Zaidan and Charles Morton
The energy in the universe never increases or decreases -- but it does move around a lot. Energy can be potential (like a stretched-out rubber band waiting to snap) or kinetic (like the molecules that vibrate within any substance). And...
TED Talks
Rob Knight: How our microbes make us who we are
Rob Knight is a pioneer in studying human microbes, the community of tiny single-cell organisms living inside our bodies that have a huge — and largely unexplored — role in our health. “The three pounds of microbes that you carry around...
SciShow
How Tattoos Really Work... At Least in Mice
People have been getting tattoos for thousands of years, but we've never quite been sure why the ink sticks around under our skin. A group of researchers now think they might have the answer. Plus, scientists are on the road to making...
SciShow
From Scarred Lungs to Diabetes: How COVID May Stick With People Long-Term | SciShow News
Even though we are still in the early stages of the COVID-19 pandemic, scientists are trying to figure out the ways in which this disease may stick with people in the long term - from lasting lung damage to potentially triggering...
SciShow
6 Non-Mammal "Milk" Producers
When you think of milk, you might think of mammals like humans and cows, but there are other species that give food to their young, in their own weird ways. Chapters FLAMINGOS 0:56 SPIDERS 1:55 PSEUDOSCORPIONS 3:23 CAECILIANS 5:13...
SciShow
Can a Hot Drink Cool You Down?
In some arid parts of the world, people cool off by drinking hot beverages. Can a hot drink on a hot day really cool you down?
PBS
What Colors Were Dinosaurs?
We know a lot about dinosaurs but there's one question that has plagued paleontologists for decades: what color were they?
Be Smart
The Deadpool Salamander That Can Regrow Limbs
Axolotls are special salamanders. Not only to they stay in their juvenile form their whole lives, they can regenerate entire limbs! Studying how they do it could change the way we treat human limb injuries.
SciShow
Toxic Shock Syndrome: Way Beyond Tampons
If you've heard of Toxic Shock Syndrome, you might think you can only get it from tampons, but the bacteria that cause this problem are surprisingly common and we still don't know why they sometimes turn deadly.
TED-Ed
TED-Ed: The world's slimiest animal | Noah R. Bressman and Douglas Fudge
In 2017, a truck screeched to a halt. One of its containers slid off, hit a car, and spilled its contents— thousands of kilograms of hagfish. The result of this accident was an absolute mess: the highway was coated in a thick slime that...