Deep in the Pacific Ocean, near China, is the Mariana Trench, the deepest part of the ocean! Join Jessi and Squeaks and learn all about the super-cool, super-tough creatures that make their home there!

Special Guest Derek Muller stumps Hank with logic problems and talks about energy, teaching tools and education through video. Jessi from Animal Wonders also joins the conversation to talk about Lollipop, the striped skunk.

There are lots of strategies to remember information when you need it most. These are shortcuts called mnemonics.

The ocean is full of some amazing creatures, but one that remains a bit of a mystery is the Narwhal, which looks like an underwater unicorn.

If you're anything like us, you're always investigating and asking questions about the world around you! Keeping a field journal is a great way to keep track of all the ideas and observations you have every day!

You might have wondered why bumblebees stop for a moment to stare at the flower they were just interacted with. Are they cherishing all the good times they had together, or is this behavior serving a biological purpose?

In which John Green teaches you about the Cold War as it unfolded in Asia. As John pointed out last week, the Cold War was occasionally hot, and a lot of that heat was generated in Asia. This is starting to sound weird with the hot/cold...

Jessi and Squeaks introduce you to the amazing, unusual animals and plants from a place like nowhere else on earth: Madagascar!

"Girls' education is the closest thing we have to a silver bullet to help solve some of the world's most difficult problems," says social entrepreneur Safeena Husain. In a visionary talk, she shares her plan to enroll a staggering 1.6...

At TEDIndia, Pranav Mistry demos several tools that help the physical world interact with the world of data -- including a deep look at his SixthSense device and a new, paradigm-shifting paper "laptop." In an onstage Q&A, Mistry says...

It's spring where Jessi and Squeaks live, and with the spring comes a really cool part of our planet's journey around the sun: the spring equinox!

Did you know there will be a lunar eclipse this week? Jessi and Squeaks explore what causes lunar eclipses and why they can make the moon look red!

Cheese is a great snack! One of the best things about it is that there's so many different kinds: cheddar, mozzarella, provolone, gouda... the list goes on and on! But have you ever wondered why some cheeses, like Swiss, are full of...

In which John Green teaches you about the war that was supposed to end all wars. Instead, it solved nothing and set the stage for the world to be back at war just a couple of decades later. As an added bonus, World War I changed the way...

Jessi and Squeaks are getting ready to make some delicious banana bread, but did you know that bananas aren't your typical fruit?

Jessi's in the lab, mixing up something kind of strange: Oobleck! Come find out all about this goo that can be a solid and a liquid at the same time, and then learn how to make some for yourself!

Everybody does it! But why does it happen? Jessi gives you a look at your digestive system, to discover why we sometimes get a case of the burps.

Jessi and Squeaks are thinking of visiting the redwoods, the tallest trees in the world, but there's lots for them to learn before they make their trip! First Grade Next Generation Science Standards Disciplinary Core Idea: LS1.A:...

Mmmm! The smell of a batch of cookies straight out of the oven is enough to make your mouth water! But have you ever wondered why your mouth waters?! Jessi and Squeaks are here to tell you all about saliva and the many ways it helps you...

It's freezing outside and cold weather makes Jessi think of glaciers!

Hank explains the gift that your brain gives you every day: the gift of neural plasticity -- the ways in which your brain actually changes at the cellular level as you learn.

Hopefully this course has gotten you excited about all the things we can do with engineering. If so, today we’re going to try to help you answer a very important question: how do you become an engineer? What are the steps? What kinds of...

Jessi and Squeaks have talked about how wells move water from one place to another before; now they're going to show you how to build your very own so you can see for yourself!

Join Jessi, Squeaks, and a special guest to celebrate the seasons changing by making paper snowflakes!