A little bit of playtime can have big benefits for a child's developing brain, like a superfood -- but adult participation is a crucial ingredient for best results. Early-education leader Jesse Ilhardt makes the case for you to put down...

Earth is unique in that it's the only planet we know of that can support life. But could there be another planet like ours somewhere far away?

Get your groove on with Squeaks and his favorite band, The Whizpops, for a musical experience with Black Footed Ferrets!

Join Jessi and Squeaks to learn about a few animals with extreme teeth!

There's a birthday party at the fort, for one of history's most important scientists, Isaac Newton!

Have you ever wondered what the sun is made of? Dr. Cecilia Payne-Gaposhkin wondered that, too, and she used science to figure out the answer! Find out how she did that and more about her amazing life and...

In which John Green teaches you the history of Islam, including the revelation of the Qu'ran to Muhammad, the five pillars of Islam, how the Islamic empire got its start, the Rightly Guided Caliphs, and more. Learn about hadiths, Abu...

What do kangaroos, koalas, and opossums all have in common? Find out when you learn all about marsupials!

You're just in time to help Jessi and Squeaks with their baking soda and vinegar experiment! Then, stick around to learn all about chemists, special scientists who study chemicals!

In which John Green teaches you about the Wild, Wild, West, which as it turns out, wasn't as wild as it seemed in the movies. When we think of the western expansion of the United States in the 19th century, we're conditioned to imagine...

Jessi and Squeaks want a way to let their friends know when it's time to play at the Fort, so they work together and use engineering to build a prototype solution!



NGSS: ETS1.A : Defining and Delimiting Engineerin
g...

In a constantly changing world, it's impossible for leaders to provide employees with the assurance they want, says Vimeo CEO Anjali Sud. Her solution: lead with humanity and flexibility. In conversation with veteran journalist Stephanie...

Math is logical, functional and just ... awesome. Mathemagician Arthur Benjamin explores hidden properties of that weird and wonderful set of numbers, the Fibonacci series. (And reminds you that mathematics can be inspiring, too!)

You can't help it; sometimes, you just get a bad feeling about someone that's hard to shake. So, what's happening in your brain when you make that critical (and often lasting) first judgment? Peter Mende-Siedlecki shares the social...

Mister Brown and Squeaks learn all about the awesome flamingo - and find out what makes them pink!



Next Generation Science
Standards
Crossc
utting Concept:
Cause and Effect: Events have causes, sometimes simple,...

Squeaks loves collecting shiny pennies, but sometimes he finds one that's sort of grimy and dull. Lucky for him, Jessi knows a really cool science trick to clean up those tarnished pennies!

Hair can be so many different colors, but why do so many adults have gray hair?

For almost three decades, John Francis has been a planetwalker, traveling the globe by foot and sail with a message of environmental respect and responsibility (for 17 of those years without speaking). A funny, thoughtful talk with...

In which John Green teaches you about the election of 1860. As you may remember from last week, things were not great at this time in US history. The tensions between the North and South were rising, ultimately due to the single issue of...

Forget home economics and standardized tests, education visionary Trish Millines Dziko has a much more engaging and fulfilling way for students to develop real-world skills. Get schooled by Dziko as she shares how project-based learning...

In which John Green teaches you a bit about the 4th of July. In this special short Crash Course, John celebrates American Independence Day by teaching you how the holiday came to be on the 4th of July, and the many ways that Americans...

There are some animals with special adaptations that help them blend in to the places they live! See for yourself how this works as you take on the role of a hungry bird looking for tasty bugs!

You use your brain's executive function every day -- it's how you do things like pay attention, plan ahead and control impulses. Can you improve it to change for the better? With highlights from her research on child development,...

Some experts have brought Minecraft into the classroom, allowing teachers to customize lessons and students to engage with concepts in new ways. And while educational games aren't new, Minecraft has some unique advantages that could...