

Marshall's Mailbag Episode Returns! | Tumble Episode
Marshall is taking the reins again, which means it's another Marshall's mailbag episode! We're taking a bunch of great questions we've gotten, and answering each one in today's episode. 1) Where do rainbows get their color? If you're interested in reading the great blog post that Greg Gbur sent me to in answer to the question about rainbows, you can find it here! For those of you interested in a little more kid-friendly version, here are some great videos about it: From Sc


The Surprising Story of Sea Stars' Sticky Feet | Tumble Episode
EDUCATION RESOURCES: NGSS Standards: LS 4-LS1-1 Crosscutting Concept: Systems and System Models Sea stars are known for their tight grips. But what's their secret? Scientists have long suspected it has to do with their tube feet, which protrude along the undersides of sea stars arms. Depending on the species, sea stars can have thousands of tube feet. We traveled to the Birch Aquarium at Scripps in La Jolla, California to get an up-close look. How do you think tube feet wor


The Secret Senses of Plants | Tumble Episode
EDUCATION RESOURCES: NGSS Standards: LS 3-LS3-2, 4-LS1-1 Crosscutting Concepts: Cause and Effect, Systems and System Models Can plants feel pain? Not really, but they can sense a lot more than you might give them credit for! That's right, plants talk to each other. And we're just starting to understand them. Dr. Appel took this research one step further when she discovered "listening plants ." In the study, caterpillars were placed on Arabidopsis, a small flowering plant r


How to Build a Robotic Eel | Tumble Episode
EDUCATION RESOURCES: NGSS Standards: ESS LS K-ESS3-3, 1-LS1-1 Crosscutting Concepts: Cause and Effect, Structure and Function What's a robotic eel doing in this lake?! Oh, just testing for water pollution... Envirobot is one of the first robots of its kind: Swimming robots. Or more technically, bio-inspired marine robots . That means that the design of the robot has been inspired by a real animal, who has perfected its movement over millions of years of evolution. "Why reinv


The Case of the Sparkly Mineral | Tumble Episode
EDUCATION RESOURCES: NGSS Standards: PS Have you ever been to a natural history museum? Sure, they have awesome fossils, human artifacts, and taxidermied animals on display. But did you know that a big part of natural history museums is what you can't see in the exhibits? Natural history museums serve as archives, or record keepers, of the natural world. Much of their collections are stored behind the scenes. At the Field Museum in Chicago, only one percent of their collectio
