Alisa Miller, head of Public Radio International, talks about why -- though we want to know more about the world than ever -- the media is actually showing us less. Eye-opening stats and graphs.

When birds and squirrels cache food for the winter, it means they have to remember where to find that food later. Their strategies for finding their hidden feasts includes memory tricks and changing brains.

What scientific thinkers and achievements have led to vast improvements in optics over the centuries? Discover the fascinating ways that our understanding of light informs the world in which we live.

How much do you know about intellectual disabilities? Special Olympics champion and ambassador Matthew Williams is proof that athletic competition and the camaraderie it fosters can transform lives, both on and off the field. Together...

SciShow shares fun facts about nature's greatest engineers: the beaver!

Spring is almost here, and that means daffodils are blooming around the fort. But how do these flowers survive the long cold winters?



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It's time for another leap second! Join SciShow as we celebrate by exploring the long and strange history of timekeeping.

This video explores the fascinating world of orchids, showcasing their unique strategies for survival and reproduction. From mooching off fungi to cheating pollinators and thriving in inhospitable environments, orchids have evolved into...

Earth has some new orbiters, and while one of them is vexing many scientists, another will help us learn more about our atmosphere.

What the astronauts felt when they saw earth from space changed them forever. Author and artist Benjamin Grant aims to provoke this same feeling of overwhelming scale and beauty in each of us through a series of stunning satellite images...

Humans may not hibernate, exactly, but that doesn't necessarily mean we're totally unaffected by the changing of seasons.

Wheezy Waiter announces the SciShow nominees for "Worst Science in a Film," & Hank talks about the bird flu and shares two sounds that had never been heard by human ears until very recently.

What drives someone to kill in cold blood? What goes through the murderer's mind? And what kind of a society breeds such people? Over 150 years ago Fyodor Mikhailovich Dostoyevsky took these questions up in what would become one of the...

Some experts feared we were in for a "twindemic" during the 2020-2021 flu season. That didn't happen, which might mean that there will be more people susceptible to getting sick this year.

Hank tells us about the Mayan calendar & why December 21, 2012 will not be the end of the world.

Can Twitter be saved? In a wide-ranging conversation with TED's Chris Anderson and Whitney Pennington Rodgers, Twitter CEO Jack Dorsey discusses the future of the platform -- acknowledging problems with harassment and moderation and...

How do you rediscover a happier, more purpose-driven (and less productivity-obsessed) self in the wake of the pandemic? Quiz yourself alongside work futurist Dominic Price as he lays out a simple yet insightful four-part guide to...

For a long time, rogue waves (defined as waves that are greater than twice the height of surrounding waves) were thought to be a myth, like mermaids or the kraken, but recent developments in satellite imagery and oceanic instruments now...

Today we’re going to focus on how to tell good evidence from bad evidence and maybe importantly, how to identify “Fine, but that doesn’t actually prove your point” evidence - the stuff that the Internet is built on.

Sex buying doesn't just happen late at night on street corners in the shady part of town -- it also happens online, in the middle of the workday, using company equipment and resources. With this problem comes an opportunity, says...

Morgana Bailey has been hiding her true self for 16 years. In a brave talk, she utters four words that might not seem like a big deal to some, but to her have been paralyzing. Why speak up? Because she's realized that her silence has...

Welcome to Crash Course World Mythology, our latest adventure (and this series may be literally adventurous) in education. Over the next 40 episodes or so, we and Mike Rugnetta are going to learn about the world by looking at the...

Your heart beats more than 100,000 times a day. In just a minute, it pumps over five liters of blood throughout your body. But unlike skin and bones, the heart has a limited ability to repair itself. So if this organ is severely damaged,...

How many species are there on Earth? In biology, this is one of a fundamental question that we still don't have a very good answer for. Imagine if chemists didn't know all the elements of the periodic table, or if physicists didn't know...