Lethal drones with facial recognition, armed robots, autonomous fighter jets: we're at the dawn of a new age of AI-powered warfare, says technologist Alexandr Wang. He explores why data will be the secret weapon in this uncharted...

Education activist and 2023 Audacious Project grantee Angeline Murimirwa knows the power of educating girls, especially in places where they may not have easy access to schooling. But she says that's not enough. In an inspiring talk, she...

Most of us can only see certain wavelengths of light our entire lives. So why can salmon switch on night vision? We'll learn how they can reshape their eyes to see into the infrared.

We hear all the time about the ways that climate change could disrupt the world. But thanks to a quirk of reptile biology called temperature-based sex determination, it could also mean a surge in the numbers of female reptiles.

We often use decibels, a measure of sound pressure, to describe how loud something is - but loudness is caused by how we perceive sounds, and the two often don't line up.

One Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in one minute!

A clip from America Ferrera's TED Talk "My identity is a superpower -- not an obstacle" from TED2019 Hollywood needs to stop resisting what the world actually looks like, says actor, director and activist America Ferrera. Tracing the...

Visual Illusions: Why You See Things That Aren't There

Scientists have observed a new parasitic behavior between a wasp and a social species of spider, where the spider re-learned an ancestral behavior!

Hank brings us breaking news from a team of geneticists working on figuring out what all that "junk DNA" in the human genome really is - turns out it's not junk after all.

Plants are finding their ways into caves, and it's all our fault.

On New Year's day, we said goodbye to George the Snail, marking the first extinction of 2019, and the way things are looking, it won't be the last.

Forget your Hans Grubers, Lord Voldemorts, and Hannibal Lecters. It’s time to meet some real supervillains. They’re called retroviruses, and they actually change their host cell’s DNA.

Did you know that dogs can tell when you're stressed out? But how do they know? Turns out they can smell it! Join Hank for a new episode of SciShow and learn all about it! Hosted by: Hank Green (he/him)

Mount Everest is unquestionably the highest point on earth, but it doesn't always feel that way.

Did you know that last year we had 28 of the fastest days ever recorded? Earth's rotation can be affected by a number of things, and scientists think we might someday need an unprecedented adjustment: deleting a second!

The oceans absorb a lot of CO2, leading to a variety of effects like ocean acidification. But you might not expect one of those effects: stronger lightning strikes.

Scientists know that genetic factors can explain many of autism’s features - but have autism researchers been looking for those features in the wrong DNA? A new study uses A.I. to uncover changes linked to autism in the stretches of non...

There's a compound found in squid skin that they use to change color and protect their cells, but it could also help us fight some of the most common disease-causing microbes out there.

From A positive to O negative, everyone's born with a blood type, and they're stuck with that blood type for their whole lives... or are they?

The classification of animal groups is essential to the the development of modern biology—but it's extremely complicated. Trying to shoehorn the messy, complicated web of interrelationships that is biology into neat boxes has resulted in...

There are wild hybridizations happening all the time! Here are five weird and wild hybrids that aren't just cool but could teach us something too. Hosted by: Hank Green (he/him) 0:00 Intro 1:06 Arctic Oddballs 3:43 Bouncing Baby Bears...

Yes, there is a chance they might sting you, but bees are incredibly vital to our ecosystem as we know it. Join Hank for a compilation of our favorite bee episodes—we know this one is a real stinger! We mean, zinger!

Despite some bold claims, most supplements can’t really "boost" your metabolism, and the actual changes we can make to it are pretty limited.