How do boats float?

What is ADHD? How does ADHD affect the brain? Why do only some people have it? How can we control our brains? An estimated 11 percent of U.S. kids are diagnosed with the neurological condition known as ADHD, so you may have it or have a friend or classmate with this unique way of ...  Show more

What are eels? And why are some eels electric? We head to Poughkeepsie, New York to learn about eels with Chris Bowser, Hudson River estuary educator with the New York Department of Environmental Conservation. Plus we learn about electric eels. Electric eels have captured the ima ...  Show more

Attention, mystère et boule de gomme du jour : comment est-il possible qu’une bille de quelques grammes coule quand on la met à l’eau, alors qu’un paquebot qui pèse des tonnes – 52 tonnes 310 pour le Titanic, pour exemple - flotte « OKLM » (au calme) ?  Enfin oui, pardon, le Tita ...  Show more

In this encore episode, we answer the questions: How does the moon control the tides? Where do waves come from? And what’s it like to live in a tide pool?Sir Isaac Newton drops by and drops some knowledge. He helps explain why the tides ebb and flow. Then, an oceanographer/surfer ...  Show more

If you've ever wanted to build your own boat, this is the episode for you! DIY enthusiasts Scott and Ben talk about different kinds of boats you can build yourself, from mini hydroplanes to survival rafts.

Swimming in the pool can be a blast, whether you’re floating peacefully, splishing and splashing, or doing the doggy paddle. But have you ever wondered why you feel lighter in the water than out of it? We asked physicist Xie Chen to help us find the answer. Got a question swimmin ...  Show more