Why do people supposedly see a woman in pictures sent from Mars by the Curiosity Rover? For the same reason that people see Pepe the Frog in their toast, or Jesus in a tortilla: a phenomenon known as pareidolia.

Hank combines two of his favorite things - talking to scientists and strange things washing up on the beach - to bring you the Mystery of the Giant Eyeball.

In this video Paul Andersen explains how the kinetic energy of an object if due to the motion of an object. Objects can have kinetic energy but they cannot have potential energy unless they are part of a system. He then explains how to...

Paul Andersen reviews the major concepts within the fourth unit of the new AP Biology framework. He begins by differentiating between negative and positive feedback loops. He explains how a stable internal environment is maintained...

Meet Franeoise Mouly, The New Yorker's art director. For the past 24 years, she's helped decide what appears on the magazine's famous cover, from the black-on-black depiction of the Twin Towers the week after 9/11 to a recent,...

This week on SciShow Space News, a new set of studies is teaching us all about Comet 67P. And the Perseids meteor shower is coming up!

What's the Best Way to Teach Science?

In this video Paul Andersen explains how scientific phenomenon and sensemaking can be used in the science classroom to engage students and drive inquiry.

Scientists are uncovering the mysteries of a non-addictive painkiller... that lives in your mouth <br/>

In this low-key, image-packed talk from 2002, designer Christopher C. Deam talks about his makeover of an American classic: the Airstream travel trailer.

It's never easy to get across the magnitude of complex tragedies -- so when Brenda Romero's daughter came home from school asking about slavery, she did what she does for a living -- she designed a game. She describes the surprising...

Your expedition finally stands at the heart of the ancient temple. But as you study the inscriptions in the darkness, two wisps of green smoke burst forth. The walls begin to shake. The giant sandglass begins flowing with less than an...

There's a March for Science happening all over the world

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In the quest to build colonies in space, one major hurdle to overcome getting materials for construction to the places they'll be needed. One of the most promising techniques for solving this problem involves some extraordinary space...

Today, cosmic rays are used to understand things like supernovas, but in the early 1900s, they helped us discover brand-new subatomic particles long before the first accelerators.

It's an unfortunate reality in nearly every major city—road congestion, especially during rush hours. Jonas Eliasson reveals how subtly nudging just a small percentage of drivers to stay off major roads can make traffic jams a thing of...

On April 3rd, the U.S. Centers for Disease Control and Prevention started recommending that people wear a mask over their face when they go out in public. Except, for many of us, this isn’t the message we’ve gotten for the last couple of...

Chins are for humans, only. #throwbackthursday #shorts #science #scishow

What kinds of tools do astronomers use to calculate the age of the universe, and how can they determine the speed of its expansion?

Do two people on the planet have the exact same number of body hairs? How about more than two? There's a simple yet powerful mathematical principle that can help you find out the answer. Kelsey Houston-Edwards breaks down the Pigeonhole...

Think you're good at guessing stats? Guess again. Whether we consider ourselves math people or not, our ability to understand and work with numbers is terribly limited, says data visualization expert Alan Smith. In this delightful talk,...

Creating a Mars colony is a dream for many people, but it comes with some unique and challenging problems.

How do you engineer stealth? Sneak a peek at the methods employed to hide aircraft and boats from detection.

Scientists studying quantum vortices and their impact on superconductivity just won the Nobel Prize.