Why does tickling make you laugh?
Can you tickle yourself? Probably not. Almost everybody is ticklish, but what’s happening to us is a bit of a mystery. See omnystudio.com/listener for privacy information.
15 Sep 201512min
Bridges vs. Tunnels
We’ve gotten a lot of questions about bridges and tunnels: How do bridges stay up? How are tunnels built? How do they build bridges over water? How do they put tunnels underwater? To answer these ques...
26 Aug 201529min
Mission to Pluto!
We talk to Dr. Alan Stern, the leader of NASA’s mission to Pluto – New Horizons. He’s been working on the mission for over 20 years and he’s excited to see the surprises that New Horizons will be send...
10 Jul 201512min
Cuttlefish: Ultimate Shapeshifters!
… and you thought chameleons could hide. See omnystudio.com/listener for privacy information.
9 Jun 20159min
Trees: From seed to shining seed
How do trees make oxygen? How do they grow? How do evergreens stay green all year? Why do tree leaves change color? How long can trees live? We’re branching out to tackle all these questions in this e...
27 Mai 201521min
Why does the sun make some people sneeze?
This question has been a mystery for millennia. Turns out there’s a name for the phenomenon: photic sneeze reflex. See omnystudio.com/listener for privacy information.
12 Mai 201510min
How and why do jellyfish sting?
All jellyfish sting – but not all jellyfish sting people. In this episode, we learn about how jellyfish sting and how they eat. Plus: stro-bi-la-tion (how jellyfish grow up). See omnystudio.com/listen...
9 Apr 20159min
Volcanoes in space!
The biggest volcano in our solar system is not on Earth -- and its footprint is as big as the entire state of Arizona. See omnystudio.com/listener for privacy information.
18 Mar 201511min
