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When Nancy Lublin started texting teenagers to help with her social advocacy organization, what she found was...

Squeaks has a doctor's appointment coming up and he's a little nervous, so Jessi asked her friend Dr. Arron Carroll to come over and talk about what happens when you visit the doctor!

Squeaks and Mister Brown are learning about senses! Did you know that animals that have whiskers can use them to sense things? First Grade Next Generation Science Standards Crosscutting Concept: Structure and Function: The way an object...

When your job hinges on how well you talk to people, you learn a lot about how to have conversations -- and that most of us don't converse very well. Celeste Headlee has worked as a radio host for decades, and she knows the ingredients...

Glass is really cool, but where does it come from? Jessi and Squeaks have a pretty sweet activity to show you how glass is made



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Each snowflake is a six-pointed work of art, as cool and as individual as you are. But how does nature make snowflakes?

Whatever happened to chemistry sets? They turned entire generations of children on to chemistry, and they also have their own illustrious history. Hank takes you through a tour of the chemistry set over time, and tells you how you can be...

Have you ever done something that required a ton of concentration, like threading a needle, and noticed that sometimes your tongue pokes out involuntarily? It turns out this reflex could be a leftover from the evolution of human language!

What can we learn from the slimy, smelly side of life? In this playful talk, science journalist Anna Rothschild shows us the hidden wisdom of "gross stuff" and explains why avoiding the creepy underbelly of nature, medicine and...

Strange landscapes, scorching heat and (sometimes) mad crocodiles await scientists seeking clues to evolution's genius. Paleontologist Paul Sereno talks about his surprising encounters with prehistory -- and a new way to help students...

Join Jessi and Squeaks to learn all about an amazing aquatic mammal you may not have heard of before: the manatee!

Who wants to be a biologist? Learn all about scientists who study life -- like where they do their jobs, the questions they ask, and the tools they use!

Spring is almost here, and that means daffodils are blooming around the fort. But how do these flowers survive the long cold winters?



Second Grade Next Generation Science

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Jessi is getting a haircut later, but what makes it so that your hair doesn't hurt when you go to get it cut?

Raisins are a sweet, healthy treat, but they have a big secret: they start out as grapes! And the story of how they go from big, juicy grapes to little, chewy raisins is super cool!

Why do girls feel empowered to engage in sexual activity but not to enjoy it? For three years, author Peggy Orenstein interviewed girls ages 15 to 20 about their attitudes toward and experiences of sex. She discusses the pleasure that's...

Maybe you've seen animal tracks in the mud after a rainy day, but did you know that you can study these tracks to learn all kinds of things about the animals that made them? Grab your detective hat and join Jessi to find out how!

In an invitation to slow down and look at the world around you, graphic journalist Wendy MacNaughton illustrates how drawing can spark deeply human, authentic connections. Ready to try? Grab a pencil and join MacNaughton for this...

Growing up in a violent household creates the risk of perpetuating that violence later in life, but is it avoidable?

We've been learning a whole lot about the ocean lately, so we thought it might be fun to put all that knowledge to use with a fun project! Join us as we make an ocean in a jar and learn a little more about the different ocean zones!

Everybody loves dinosaurs, and we wouldn't know nearly as much as we do if it weren't for a person named Mary Anning.

In this live drawing performance and poignant autobiographical journey, author and illustrator Jarrett J. Krosoczka sketches some life-shaping moments, showing us how drawing and storytelling can help us honor and remain close to those...

At the 2008 Serious Play conference, designer Tim Brown talks about the powerful relationship between creative thinking and play -- with many examples you can try at home (and one that maybe you shouldn't).

Jessi and Squeaks are ready to play outside, but there’s a unique plant they should be sure to avoid: poison ivy!