Squeaks is so excited to learn all about ancient sea monsters, like the plesiosaurs and mosasaurs! We'll also take a look at a fish wearing armor and the biggest shark to ever live - Megalodon!

The birds you see around today might not be that big, but a long time ago, there was a flying animal the size of some airplanes!

Jessi and Squeaks are taking a trip soon! But Squeaks has never been on a plane before, and he's a little nervous about it. Let's learn what it's like to go through the airport and to be on an airplane, so we can help squeaks feel a...

A lot of our food comes from plants, including honey! Mister Brown and Squeaks learn how honey goes from being watery nectar in a flower to the sweet sticky substance we all know and love - and it's all thanks to bees!

Did you know that the biggest animal that ever lived is still alive today? Let's learn all about what blue whales eat, where they live, and just how big they are, with Jessi and Squeaks!

Squeaks and Mister Brown are making popcorn for all of their friends, and learning all about how heat makes popcorn kernels pop!

Mister Brown and Squeaks are visiting Sam the Bat's family in their cave! Now, animals that live in caves are pretty special. Since caves are really dark, the animals that live there can't use eyes to see where they are going, so they...

Did you ever wonder how some squirrels find food in the cold winter? Mister Brown and Squeaks learn all about it this week as they discover a squirrel midden on their hike!

Anthony and Squeaks are experimenting to learn about soda bubbles and how they can use them to make a great soda fountain!

Jessi and Sam the Bat team up to answer your questions about space, like: How was the universe created?

Living in space is pretty different from living on Earth, and not just because people can float around! Today, Jessi and Sam the Bat learn about the weird ways things like fire and water behave when they are in space.

Anthony and Squeaks find out how you can put telescopes in different places to help you see further away and get better pictures of things in space!

There's all sorts of life in the Redwood forest, but not just in the ground, different animals live in all layers of the Redwoods!

Jessi and Squeaks experiment with mixing things together and learn how to create a lot of foam!

If you were looking down at the Earth from space, what would you be able to see? Do you think you would be able to see your house? What if you were super far away?

Learn about the oceans with some of Jessi and Squeaks' favorite ocean videos!

This week, Mister Brown joins Squeaks to answer a bunch more of your questions about the Earth and about our bodies!

There’s all sorts of weather out there, so Squeaks and Mister Brown are playing a game show where they will learn all about the different types!

From the baby blues to helping your toddler through a temper tantrum, many things can make being a new parent a hard time for you and your child, but a bit of science can help us navigate this period of life.

Thomas Jefferson, founding father of the United States and primary author of the Declaration of Independence, was part of America's fight for freedom and equality. But in his personal life, he held over 600 people in slavery. Are his...

It's 791 CE. As the morning sun shines on the Golden Gate Palace, brother and sister Hisham and Asma prepare for the journey of a lifetime: the hajj, a holy pilgrimage to Mecca. They intend to travel with the big hajj caravan— but a...

Women and girls with autism spectrum disorder often don't display the behaviors people typically associate with neurodivergence, greatly impacting when, how -- and if -- they are diagnosed. Autism acceptance advocate Kate Kahle makes the...

Neuroscientist and pediatrician Kimberly Noble is leading the Baby's First Years study: the first-ever randomized study of how family income changes children's cognitive, emotional and brain development. She and a team of economists and...

"For all that's ever been said about climate change, we haven't heard nearly enough about the psychological impacts of living in a warming world," says science writer Britt Wray. In this quick talk, she explores how climate change is...