It was recently brought to our attention that there's a category here that we have covered quite a lot, and that people have… watched. Here's a selection of our absolute favorite SciShow Pee episodes!

Dr. Genevieve Lind explains how she uses frog eggs to learn how drugs affect receptors in the brain and Jessi's chicken Goldie shows us one use for the cloaca. Hosted by: Hank Green

In the early days of the space race, agency researchers in Russia and at NASA really weren't sure all what would happen to an astronaut in space. They didn't know if a human mind could handle actually seeing Earth or what would happen to...

Scorpion venom and insect poison sound really deadly, but scientists are increasingly turning them into medical treatments that save millions of lives. Hosted by: Hank Green

There are still several fascinating mysteries of our universe unsolved by scientists even after decades and even centuries of research! Join Olivia Gordon for a new episode of SciShow and learn about these seven weird phenomena that...

Have you ever wondered why you get bit by mosquitoes more than your friends? Why do mosquitoes love some people but not others? Join Hank Green for a new episode of SciShow and discover what exactly makes people mosquito magnets!

The hymen is a human structure that is surrounded by myths and misunderstandings. So today, we shed some light on what the hymen actually is, where it comes from, and why it can’t actually tell you anything about a person. Hosted by:...

According to the fossils we've found, it turns out the T-Rex may look different than what we thought! Join Hank Green for a fascinating dive into the past, and a realistic look at what the King of the Dinosaurs was actually like. Let's...

Turns out, two atomic clocks are indeed better than one. And what role does sleep play in memory suppression?

Looking at a map, you would never know that North America once almost ripped itself in half. But 1.1 billion years ago, it tried to - and had it succeeded, there would now be an ocean where Lake Superior is!

We generally think of pregnancy as a continuous process, but scientists have recently discovered mechanisms that allow for certain mammals to put the development of a fetus on pause.

For a long time, we could only guess what color a dinosaur might be. But in the past decade, there has been an explosion of color.

Two new studies challenge what we thought we knew about the first humans in the Americas. Could people have been on these continents 10 to 15 thousand years earlier than archaeologists previously thought? Join Stefan Chin and learn more...

Hank describes how astronomers used a technique called gravitational lensing to find the most distant galaxy ever detected -- and how NASA is embarking on a new program to use this same technique to peer deeper into space than ever...

Hank clarifies the misconceptions about Chagus disease, discusses a couple of interesting celestial events - one that happened in the past and one that will happen in the distant future, and sheds more light on the benefits of sexual...

Hank hits you with a ton of news this time - Amazon CEO Jeff Bezos has plans to retrieve Saturn V rocket engines from the bottom of the Atlantic; new research on the impacts from the Deep Water Horizon oil spill to life in the Gulf of...

Hank discusses the challenges involved in manned space travel to Mars, and sends us a message from his 17-year-old self.

The Internet is older than you might think!

While you might not think about quantum mechanics being part of your everyday life, it turns out that it might play a role in some of the most familiar things, from the sunlight in the trees to the nose on your face!

We began keeping goldfish as pets more than 1,000 years ago, but their beauty wasn’t the only thing they had going for them. Goldfish had a lot of really weird biological traits that made them incredibly resilient. And in an unfortunate...

You've likely been seeing the rise of AI technology everywhere—and some people are pretty concerned about what it could mean for the future. But did you know it might hold the key to understanding, and even changing, parts of our...

Home is where the heart is - and these frogs manage to make their homes in a variety of bizarre places, from cloud forests to wastelands. And sometimes solving the challenges of living in these places involves solutions that are...

Hank gets to the bottom of this "faster-than-the-speed-of-light-neutrino" kerfuffle, discusses some ancient stuff, and announces the winner of the award for worst science in a film.

Like a common cold or a cold sore, would it be possible to get a reinfection of COVID-19? Would we be able to build up long-term resistance to it?