Lara Brenner talks about her research on how stressed cougars are and how the public views them. Then Jessi from Animal Wonders joins the show with Seraphina the red fox!

The history of science up until the Cold War is often overshadowed by the Manhattan Project. But, today we are going to talk about advances in biomedicine, or healthcare based on a biological understanding of human bodies and diseases.

From pancakes to ice cream, salt goes in so many things to make them taste better! But what is it and where does it come from?

The pigments in our food all get destroyed on their way through our digestive system...so where do the colours of our poop and pee come from?

The hymen is still the most misunderstood part of the female body. Nina Dolvik Brochmann and ellen Stokken Dahl share their mission to empower young people through better sex education, debunking the popular (and harmful) myths we're...

Ever wondered what causes that strange tingling feeling? Well, settle in as Quick Questions explains how it works. Just be careful how you sit.

This week, scientists revealed a sample of amber containing an extinct tick that fed on dinosaurs. Unfortunately, we can't take a blood sample from it and make Jurassic Park a reality, but it can still tell us a lot about how dinosaurs...

Why do we faint? Because sometimes, your nervous system just doesn't know what to do with itself.

Venom comes in all different types, so here's everything you'll ever need to know.

Sharks have been celebrated as powerful gods by some native cultures. And today, sharks are recognized as apex predators of the world's ocean. What is it that makes these fish worthy of our ancient legends and so successful in the seas?...

Have you ever wondered why your face turns red when you’re angry? Check out this SciShow Quick Question to learn why!

Dean Ornish talks about simple, low-tech and low-cost ways to take advantage of the body's natural desire to heal itself.

If you know one thing about mosquitoes, it’s probably their lust for blood. But there’s actually one species that almost never bites, even though it can. Could finding out why help us combat blood-borne diseases?

When you were a kid, did anyone ever tell you that your head would explode if you hung upside down for too long? Well... they might have been on to something.

Join the Amoeba Sisters in their introduction to the circulatory system and follow the pathway of blood as it travels through the heart! This video explains the importance of blood, arteries, and veins, and it also introduces basic heart...

One moment, you're fine. The next, moment it seems like your nose is recreating a scene from The Shining. Why do we get nosebleeds?

If we're going to send astronauts out to Mars someday, we'll need to figure out how to send a pharmacy with them

Did you know that your blood type affects more than just who you can donate blood to?

My science fiction has different ancestors -- African ones, says writer Nnedi Okorafor. In between excerpts from her "Binti" series and her novel "Lagoon," Okorafor discusses the inspiration and roots of her work -- and how she opens...

Why are mosquito bites so itchy? Stop scratching while Jessi explains!

Every doctor makes mistakes. But, says physician Brian Goldman, medicine's culture of denial (and shame) keeps doctors from ever talking about those mistakes, or using them to learn and improve. Telling stories from his own long...

If it smells like delicious buttered popcorn when you are in a middle of the forest, it’s not because there’s a movie theater nearby, but Binturongs, arboreal carnivore, might be.

When camels drink, they do so at a rate that would kill most other animals. But where does all of that water go? Hint: It's not their humps!

Eyeballs are unique organs, providing many animals with the ability to interpret the light waves in the world around them, but what are these squishy parts made of?