Until recently, fossil evidence for modern humans has only gone back 200000 years. A new discovery in Morocco and thermoluminescence dating may help extend that beyond 300000 years. Hosted…
Are Modern Humans Really Older Than We Thought?
Nikola Tesla: Great Minds
Hank brings us the tale of the bizarre and eccentric genius with the crazy eyes who spent his life increasing awesome wherever he went, and contributed in some way to pretty much every cool…
Why Do We Get Colds When It’s Cold?
The temperature drops and you’re more likely to get a cold: Is this correlation or causation? We’re conducting a survey of our viewers! If you have time, please give us feedback: https://www.surve…
How a Sick Chimp Led to a Global Pandemic: The Rise of HIV
In the first video in our two part series on HIV and AIDS, we explain how scientists figured out what HIV is, when the infection morphs into AIDS, and where they think the virus originated….
How to Make A Humanzee
We all know about inter species animal hybrids – Napoleon Dynamite’s favorite animal, the liger, is a typical example. But could a human and our closest primate relative the chimpanzee also…
The Terrifying Truth About Bananas
Hank loves bananas and is worried about their future, so he did some investigating and wrote this episode of SciShow to share some kinda scary banana truths with us. Like SciShow? Want…
What is Sarin Gas?
Hank discusses the chemistry of sarin, the nerve agent that killed more than 1400 people in a chemical weapons attack in Syria. Like SciShow? Want to help support us, and also get things…
3 New Facts About Denisovans
Hank brings us some late-breaking news from the genus Homo – a team of scientists has sequenced the genome of the Denisova hominin, the latest member to be added to the human family tree. …
What Causes ‘Old People Smell’?
If you’ve ever associated a smell with old age, you weren’t imagining it—it all has to do with the chemistry of our skin. Hosted by: Stefan Chin ———- Support SciShow by becoming a…
The Quest for Glueballs
The quantum world is weird. Today we’re looking at a strange particle called a glueball that contains no matter…they’re made of pure force! https://www.kickstarter.com/projects/veritasium/snatom…
Why Do Atoms Bond?
SciShow explains what makes atoms bond (and what makes them sometimes seem promiscuous). Hosted by: Michael Aranda ———- Like SciShow? Want to help support us, and also get things to…
Japan’s Ominous Dancing Cats and the Disaster That Followed
In the 1950s, the people of Minamata, Japan started seeing strange behavior from the local cats, and it wasn’t long before humans were showing the same symptoms. Hosted by: Hank Green ———-…
The Future of Air Travel
It used to be that you could get on a Concorde jet and fly across the Atlantic ocean faster than the speed of sound, but what does the future hold for supersonic flight? Hosted by: Hank Green…
Do Menstrual Cycles Really Sync Up?
Have you had your period at the same time as your friends or family members? Is this a physiological effect or coincidence? Join Hank Green as he provides some insight on this phenomenon! …
Why Do We Get Nosebleeds?
One moment, you’re fine. The next, moment it seems like your nose is recreating a scene from The Shining. Why do we get nosebleeds? Hosted by: Hank Green ———- Support SciShow by becoming…
Electromagnetism – Magnetic Force: The Four Fundamental Forces of Physics #4b
In this final segment on the four fundamental forces of physics, Hank tackles the magnetic force, the second of the two ways in which electromagnetism is apparent in the universe. Like SciShow…
Electromagnetism – Electrostatic Force: The Four Fundamental Forces of Physics #4a
Hank reaches the fourth and final of the four fundamental interactions in physics: electromagnetism. In this part, he teaches us about the electrostatic force, which builds up a charge in an…
9 Groundbreaking Discoveries About Sleep
There’s a lot about sleep that we don’t understand, like why we even sleep in the first place, for example. Here are some amazing discoveries biologists have made while trying to solve the…
Why We Age – And How We Can Stop It
Hank hates death, so he helps us understand the process of aging, informs us of how scientists are studying ways to prevent it and brings us the exciting news of current research in longevity……
Cryptography: The Science of Making and Breaking Codes
There are lots of different ways to encrypt a message, from early, simple ciphers to the famous Enigma machine. But it’s tough to make a code truly unbreakable. Hosted by: Michael Aranda…