SciShow
Where Did the Moon Come From?
SciShow Space takes you to the moon! Learn about the competing theories about how Earth's closest neighbor formed.
MinuteEarth
Apparently tree FINGERPRINTS are a thing
Every species on Earth has a fingerprint - whether or not they have fingers at all.
SciShow
Are Space Sounds Lies?
If a tree falls in space, and it's frequency is modulated by multiple octaves and digitized, does it make a sound?
PBS
When Crocs Thrived in the Seas
While dinosaurs were dominating the land, the metriorhynchids were thriving in the seas. But taking that plunge wasn’t easy because it takes a very special set of traits to fully dedicate yourself to life at sea.
PBS
Why The Paleo Diet Couldn't Save The Neanderthals
These relatives of ours lived in Eurasia for more than 300,000 years. They were expert toolmakers, using materials like stone, wood, and animal bone. They were also skilled hunters and foragers, and may even have created cave art. So...
PBS
There’s Something Weird About Neandertal DNA And It Might Be Our Fault
Maybe it’s a little self-centered that we can be pretty focused on the DNA that we got from Neanderthals – but we shouldn’t forget that gene flow goes both ways.
SciShow
You're Basically A Mushroom
The tree of life you learned in school is wrong, even if you just graduated. We like to sort eukaryotes into big kingdoms or supergroups, but scientists can't agree what those groups should be. Here's why that's a good thing.
SciShow
The Bizarre World Of Underwater Sneezing
For us terrestrial animals, sneezing is a regular part of life involving the movement of a lot of air. But animals that live underwater and don't breathe air like we do also sneeze. Sea sponges, corals, and hagfish use their snot to...
MinuteEarth
How Caffeine Accidentally Took Over The World
Plants don't make caffeine just for us, so what DO they make it for?
SciShow
Can Dogs Smell Fear?
We're taught to be cool around strange dogs because they smell fear, and that might be true, but your fear is probably freaking them out too!
SciShow
6 Reasons We Have to Say a Study Was "In Mice"
A lot of our videos include the disclaimer "Mice aren't people." But why do we keep saying this, and if rodent studies aren't effective, why do we keep using them?
SciShow
The Amazing Humanoid Diving Robot
Today on SciShow we bring you a cool humanoid diving robot and insight into the evolution of the venus flytrap.
SciShow
Krokodil, fake pot and the real chemistry of drugs
Time Magazine has called it "the most horrible drug in the world," and last month, it hit the US. Because seriously, why would you take a drug that rots your flesh, bones, and brain?! Hank Green discusses the science behind the street...
SciShow
How Do We Know We’re Tired?
Sleep is complicated. And there's still a lot we don't know about it, but zebrafish larvae are a surprisingly good place to look to learn more about what makes us sleepy.
SciShow
The Secrets Hidden in Your Tears, Earwax, and Other Secretions
Our various secretions - from tears to earwax - can tell us more about our bodies than you might think!
SciShow
Where did Teeth Come From??
Everywhere in the animal kingdom you can find teeth in all sorts of shapes and sizes, so you probably think you have a pretty good idea where they came from. But in reality, this debate is still a hot one, and it may have something to do...
SciShow
The Mollusk Hiding Rare Minerals in its Teeth
Chitons are constantly scraping their teeth on rocks to eat the algae off of them, but that means their teeth need to be pretty tough. And it turns out one species's teeth are the hardest, stiffest biominerals in any living thing we've...
SciShow
Biofluorescence: A Neon World Hidden in Plain Sight
Lots of life on Earth can fluoresce, creating a beautiful neon world of camouflage, communication, and adaptation that is hidden from the human eye.
SciShow
The Science of Chocolate
While you unwrap that luscious truffle, let Hank explain the science of chocolate -- where it comes from, what its active ingredient is, and how it works. Also learn the difference between chocolate, cocoa, cacao and coca, so you really...
SciShow
6 Delightfully Goth Animals
When you see a black cat, you might think of witches and goth bands, but they're also a great example of a melanistic animal, and they're not the only ones!
SciShow
Were Dire Wolves Actually Real?
After watching Game of Thrones or playing DND, you might wonder if Dire Wolves were actually real. Turns out, these were real animals that lived during the last Ice Age, but they weren't actually...wolves? Join Hank Green and learn what...
SciShow
7 Scientific Discoveries Made by... Licking Stuff?
Can scientists actually make discoveries by licking things? Believe it or not, they can. Join Hank Green and learn the surprising amount of discoveries made by scientists....and their tongues.
SciShow
Is Long COVID Real? What We Know So Far
What is "Long-Covid"? What does it mean? The list of symptoms for “Long COVID” last long after you've healed from the illness. But the more we learn about it, and how it is similar to other post-infection syndromes, the better we can...
SciShow
5 Mysteries Science Created and Solved
Sometimes science creates a mystery, and it can be very difficult to solve! Join Hank for a fun new episode of SciShow about five mysteries started and later solved by science. Let's go! Hosted by: Hank Green