Sloping slinky and wiggly water! The Curious Crew gets an “earful” from Dr. Rob on the science behind sound waves! STEM Challenge: Design a Gumdrop Wave Machine. Curious About Careers: Ultrasound Engineer Lalita Udpa
Beavers are back in Britain—charming many Britons, perturbing others, and all the while stimulating a healthy debate about whether the island nation is ready to embrace a wilder future.