Over 200 years ago, scientists were looking at sunlight through a prism when they noticed that part of the rainbow was missing. There were dark lines where there should have been colors. Since then, scientists have unlocked the secrets...

It's really rare to find fossils, which means that when they're lost again after someone dug them up, it really hurts. These are a few of the most famous fossils that went missing after someone found them, and what researchers can...

You know it's important to take care of your physical and mental health. But what about your social health? Social scientist Kasley Killam shows how feeling a sense of belonging and connection has concrete benefits to your overall health...

Ending a marriage doesn’t have to mean ending a family, says communication expert Allison O'Brien, who navigated her own divorce without lawyers or mediators. She introduces a framework for ensuring a divorce remains peaceful, supports...

In this SciShow Kids compilation, Jessi and Squeaks learn about why teeth are important, how they're different, and why some animals have really weird ones.

You'd think that there are some features that, once an animal group evolved to have them, could never really go away, right? Well, Stefan is joined today by hosts from PBS Eons, Journey To The Microcosmos, and Bizarre Beasts to break...

Don't second-guess what "distracts" you, says actor-producer Yara Shahidi; that's your curiosity coming through. The star of hit shows like "black-ish" and "grown-ish" tells how she learned to spot clues to her own future — and how you...

You might be pretty confident that when a moon is there it’s there to stay, but that’s not always the case. Moons may have a history of disappearing.

Hairworms, sometimes called horsehair or Gordian worms, are mind-controlling parasites with a twist. A genetic study found these nematomorph worms are missing 30% of their genome, and we don't understand how they live without genes for...

The myth of the Missing Link--the idea that there must be a specimen that partly resembles an ape but also partly resembles a modern human--is persistent. But the reality is that there is no missing link in our lineage, because that’s...

One reason the Bermuda Triangle has scared people for generations is the seaweed. And thanks to eutrophication and other human causes, that Sargassum seaweed is starting to travel the world. Here's how we're accidentally making more of...

By overcounting how much carbon their forests suck up, and undercounting how much carbon their industries release, countries undercount their total carbon emissions.

Watch these amazing rewilding videos from our friends at Planet Wild, in which they’re saving Europe’s cutest bird from extinction or resurrecting a dying forest.

This video written & produced in collaboration with Aatish Bhatia,
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This video is about how cheap, fast, and LESS sensitive rapid antigen tests might be...

Carbon is fundamental to life on Earth. And it goes through a complex cycle, from up in the atmosphere, to the depths of the ocean. But down there, the carbon trail gets harder to follow. Or at least, it was that way until this little...

You've seen those viral videos of colorblind people putting on special glasses and reacting to colors they've never seen before! Today, we'll explore how colorblindness works and what those glasses try to do to fix it! Hosted by: Hank Green

Many animals use the same five senses as we do, but these creatures take that beyond the next level.

Have you ever lost a tooth? Or maybe you have teeth that are getting a little wiggly? It's all part of growing up! Join Jessi and Squeaks to learn why we lose our baby teeth and how we can take care of our new permanent teeth! Say cheese!

Ziyah Gafić photographs everyday objects—watches, shoes, glasses. But these images are deceptively simple; the items in them have been exhumed from the mass graves of the Bosnian War. Gafić, a TED Fellow and Sarajevo native, is...

FOMO (the fear of missing out) is a fairly common phenomenon, especially in this digital age. It can cause you significant stress and anxiety, but luckily psychologists have come up with a few tricks to combat it.

Sight, sound, and yes, taste, have all helped humanity better understand space, but what about smells? Scientists think we have a pretty good idea of what some places smell like, and decoding astronomical aromas can be a good way of...

The secret behind medicine that uses messenger RNA (or mRNA) is that it "teaches" our bodies how to fight diseases on our own, leading to groundbreaking treatments for COVID-19 and, potentially one day, cancer, the flu and other ailments...

We’ve learned a lot about how the human brain works, but there are still new discoveries and mysteries each year, and 2019 was no exception. We learned pretty big things, from internal compasses, to mysterious sniffers, to brain-washing...

In this episode, welcome in Matt O'Dowd as the new host to rigorously take you through the mysteries of space, time, and the nature of reality. We're starting off this new season with perhaps one of the most mysterious things of all -...