Thanks to a couple of Norwegian musicians, a lot of people have become obsessed with one question: What does the fox say? It turns out that foxes "say" lots of different things depending on the situation, and if you think the song is...

New York was planning to tear down the High Line, an abandoned elevated railroad in Manhattan, when Robert Hammond and a few friends suggested: Why not make it a park? He shares how it happened in this tale of local cultural activism.

Since the moon is tidally locked to the Earth, for millennia we could only guess what mysteries lay on its 'dark side.' Then in 1959 the Luna 3 spacecraft sent back a photo that prompted more questions than it answered.

Snakes don’t have lips, they can't lap up water, and they don’t grab mouthfuls of water and tip their heads back to swallow, so how do they drink? Turns out, some snakes have sponge-mouths that literally soak up water!

Depression is not just feeling hopeless or apathetic, there are lots more symptoms that we aren’t familiar with.

A silly poem encapsulating the ideas from the video about Euler's formula through graph theory.

Grasshopper mice take scorpion venom that could kill a human and use it to numb their pain. What makes these tiny mice so hardcore?

Get introduced to protists and fungi with the Amoeba Sisters! This video explores basic cell type, mode of feeding, habitat examples, and ecology of both protists and fungi. This video also mentions a few examples of how protists and...

Thanks to a couple of Norwegian musicians, a lot of people have become obsessed with one question: What does the fox say? It turns out that foxes "say" lots of different things depending on the situation, and if you think the song is...

As a young scientist, Catherine Mohr was on her dream scuba trip -- when she put her hand right down on a spiny sea urchin. While a school of sharks circled above. What happened next? More than you can possibly imagine. Settle in for...

The determinant has a very natural visual intuition, even though it's formula can make it seem more complicated than it really is.

The Great North American Locust Plague

Most of us will do anything to avoid being wrong. But what if we're wrong about that? "Wrongologist" Kathryn Schulz makes a compelling case for not just admitting but embracing our fallibility.

Space is hard on the human body, but a certain ground squirrel might have the guts to show us how to last longer in space.

DNA isn’t the simple, loose double-helix you might see in a biology textbook, so isolating single strands of it can be next to impossible. But with some simple tricks of physics, scientists came up with a special type of tweezers that...

SciShow’s hot take: Peppers don’t produce that spicy goodness for the reason you think!

Whether you've got the latest iPhone or the same flip phone you've had since 2002, you're still asked to turn off your device before take off. Why is that?

What's that awful smell? Cat urine? Semen? Rancid butter? Possibly one of these gorgeous city trees?

A look back at some of our favorite moments from 2013 of Hank doing the messing up thing.

Chinese alchemists searching for an elixir of eternal life discovered the world's first chemical explosive. Hank has the full story on gunpowder in this SciShow about a big idea of science.

Lasers are incredible narrow beams of light we can use to do everything from cutting metal to operating on people's eyeballs. But even though we came up with the idea on our own, humans didn’t actually make the first lasers.

Hank tells us four incredible things about Jupiter's sixth moon, Europa.

How can a super-thin 3-inch disk levitate something 70,000 times its own weight? In a riveting demonstration, Boaz Almog shows how a phenomenon known as quantum locking allows a superconductor disk to float over a magnetic rail --...

Hank talks about ancient sexy times, and how we know that early humans were getting it on with all kinds of folks.