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
The Great Lakes only national marine sanctuary brings underwater history up close. Whether you’re in a glass-bottomed boat, looking down from a kayak, or diving underwater, the shipwrecks at the Thunder Bay National Marine Sanctuary give you a haunting look at the past.