Stubborn cans, racing spools, yo-yos and more! The Curious Crew learns when something moves, it has kinetic energy. STEM Challenge: Designing a marble rollercoaster. Curious About Careers: Orthopedic Researcher LeeAnn Kaiser.
The axolotl lives in only one place outside captivity: the waters of Lake Xochimilco, in Mexico City. Now, a team of scientists is working to secure its future by looking to its past.