Sudsy science, homemade soap, and repulsive pepper! The Curious Crew learns all about the science of soap with a lesson on saponification and surfactants. STEM Challenge: Making Homemade Soap. Curious About Careers: Water Chemist Daveda Quinn
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.