Jessi and Squeaks are at the fair, and Jessi is excited to go on the roller coaster! But before they get on, Squeaks wants to know how roller coasters work.

Jessi stayed up too late, so she's feeling really tired. Luckily, she isn't too tired to tell you all about what happens when we sleep and why we feel so terrible when we don't get enough sleep!

Everyone is familiar with Twitter, the uber-popular micro-blogging site, which limits the user to 140 characters. The tweet is perfect for sharing your favorite links and updating the world about your life, but it might also be the...

A camel's hump doesn't contain water or bone… it’s fat. And each hump can store up to 36 kilograms of it that can sustain the camel for weeks or even months without food. The fat is incredibly nutritious and people are even starting to...

What is matter, anyway? What does it have to do with math? And why aren't you made of Jesus? Delving deeper into the theory of (almost) everything - the Standard Model of particle physics.

It's spring where Jessi and Squeaks lives, and that means the air is filled with the sounds of birds singing! But have you ever wondered why birds sing and who they're signing to?

From launching probes to ferrying experiment racks to the ISS, the Space Shuttle Atlantis has left quite the legacy on space exploration and scientific research.

Did you know you can read the story of a tree's life? By looking at a tree's rings, you can figure out way more than just how old it is! Jessi and Squeaks are here to show you what to look for next time you're on a hike and find a tree...

Jessi and Squeaks found a ton of rocks for their rock collection... but they're too heavy to get back to the fort! Join them as they figure out the perfect simple machine to help them out: the wheel and axle!

Waddling along the parched Australian earth, a female platypus is searching for fresh water. Over the past year, a severe drought turned rivers and streams to mere trickles. She barely survived and was unable to reproduce. Could the next...

Jessi and Squeaks just got a new telescope, and they can't wait to check out the night sky! But there's just one problem: it's too heavy to bring up the stairs into the observatory! Join them as they learn about a simple machine that can...

Jessi and Squeaks want to learn more about the inside of a pumpkin. How? By dissecting it!

Nicole Paris was raised to be a beatboxer -- when she was young, her father, ed Cage, used to beatbox her to sleep at night. Now the duo is known for their beatbox battles and jam sessions, which mix classic rap beats with electronic...

Our journey through the solar system continues, as Jessi gives you a close look at comets and asteroids!

There's a chill in the air where Jessi and Squeaks live, and that means it's time for some animals to start the long, yearly nap called hibernation! Learn why animals hibernate and how they get ready to sleep for months at a time!

You might enjoy a delicious peach or slice of watermelon this summer, and it's largely in thanks to our pollinating friends: the BEES!

Make those Lemon Drops fly!

The coolest kite in the world!

What a cool math science trick!

In this short math video, students learn how to factor a quadratic by grouping using a clear, five-step process. The lesson begins by reviewing the standard form of a quadratic, and then models each step carefully so students can follow...

In this math video, viewers are guided step by step through solving a problem where the first four terms of a geometric sequence are given and the goal is to write an equation for the nth term. The exemplar solution begins by introducing...

And............BOOM!

Who's going to win???

Play live, in real-time, with your band - no matter where you are. The Lutefish Stream lets up to 5 musicians jam together with ultra-low latency, even when you’re 500 miles apart! Perfect for rehearsals, writing sessions, or just...