Once upon a time, there was a lake that was so radioactive, that standing on its shore for more than an hour would almost definitely kill you. Join Olivia to learn how it got that bad in the first place, and what was done to fix it!

Olympic National Park is temporarily closed as Washington, the US, and the world work to mitigate the spread of the COVID-19 virus. We filmed this series in early January and are currently at home practicing social distancing. We hope...

Working in the White House in the 1840s may have been more hazardous than we thought.

Searching for a cure for rickets led to the discovery of vitamin D. Fortifying foods with vitamin D led to another disease, and a whole new way to view genetic disease in general.

This week, a group of researchers use nuclear fallout to figure out how old liver cells are, while another gets one step closer to predicting volcanic eruptions.

Scientists who piece together our past can do so through the rare fossil or artifact, or they can go to one convenient location: a hyrax latrine.

Oxygen is crucial for life as we know it, but before it could build up in our atmosphere, earth had to slow down.

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)

The cold medicine you picked up at the store involves some cool chemistry to treat your symptoms. *Correction: This episode was written by Alison Caldwell.

Sleep is complicated. And there's still a lot we don't know about it, but zebrafish larvae are a surprisingly good place to look to learn more about what makes us sleepy.

Winning an alpine skiing race can come down to a tiny margin, so the skiers have to make sure they prepare their skis just right!

In the future, we may see more continent-sized dust storms like the one nicknamed Godzilla, which crossed the Atlantic ocean in 2020. And since then, researchers have been looking into what caused such a colossal storm. If we can predict...

This week, scientists think they may have found a missing link in regards to how plants went from living in the sea to on land, and also, in adorable news, surfing honeybees.

If you had to spend your entire life swimming through water, never touching the ground, you’d probably get pretty dang good at swimming. This is what life is like for the gossamer worm, and why its abilities could be inspiring new marine...

While antibiotics have saved millions of lives, misusing them can speed up how fast bacteria evolve to resist them. And it turns out that one of the biggest hotspots for these antibiotic-resistant bacteria…is hospitals.

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

Photosynthesis, the elegant process of making fuel from sunlight, might be the future of how we power, well, just about anything. Plants may have invented it, but humans are taking the model and really running with it, to make anything...

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!

Microphones keep getting smaller and smaller, but have you ever asked what it would be like to have a bigger one in the form of a shirt? And though we tend to incorrectly think that we’re having two-way conversations with our pets, we...

For years, catch-and-release anglers have been pouring soda on bleeding fish in an effort to help save their lives. But.. does this actually work?

We're taught to be cool around strange dogs because they smell fear, and that might be true, but your fear is probably freaking them out too!

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.

Back in the day, bacterial diseases like dysentery were super deadly, but the nomadic people in northern Africa had long known about an effective, if hard to swallow, cure.

Bivalves—animals like mussels, clams and oysters—might be a more familiar sight in a restaurant than a lab. But it turns out that studying them might help us learn more about our own health.