

The Snapdragon Hunt | Tumble Episode
Find out why scientists are hunting snapdragons in Spain! We tag along for an epic quest.


Joe Hanson Answers Our Mail! | Tumble Episode
Joe Hanson, host of PBS Digital Studio's It's Okay to Be Smart and Hot Mess, has been a long-time friend of Tumble. So it was a no-brainer to ask him to help us lighten our mailbag! This episode is only a taste of Joe's encyclopedic knowledge of science. Dive into his library of fascinating videos, starting with his new show, Hot Mess. We learned so much from this episode about the history of the public understanding of climate change. We recommend it to everyone. You can


The Road Trip to Outer Space | Road Trip Collection
EDUCATION RESOURCES: NGSS Standards: ESS Got a long trip coming up? Turn it into an adventure into outer space! Marshall’s headed out on an intergalactic journey. He’s lined up the best Tumble episodes on astronomy for your road trip! See what it’s like to spend a year on Mars, take a wild ride through the solar system, find out if it’s possible to ship Co2 off our planet, search for alien life, and investigate black holes with the world’s top black hole hunter. You’ll be the


The Barcelona Supercomputer Adventure | Tumble Episode
EDUCATION RESOURCES: NGSS Standards: PS In this episode, we visit a supercomputer! It's called MareNostrum 4 , and it's house in a former chapel in Barcelona, Spain. It's the world's 16th most powerful supercomputer , and it's been named the World's Most Beautiful Data Center! MareNostrum Eduardo Porta stands outside MareNostrum for the first time, even though he's worked at Barcelona Supercomputing Center for two years. My background is in biology," he explained to Lindsay.


The Sleep Camp Experiment | Tumble Episode
In this episode we are talking about sleep, and an unusual experiment designed to study it. Imagine going to a camp where the director is a sleep scientist, and you go to bed hooked up to a machine that monitors your brainwaves. We’ll meet Mary Carskadon, the scientist who runs this sleep summer camp, and find out what it’s taught us about the need for Zs. Dr. Carskadon sent us this list of some of the other interesting things she's learned from over 30 years of Sleep Camp:
