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
In the middle of Rio de Janeiro sits the world’s largest urban rainforest: Tijuca National park. To combat a century of deforestation and hunting, a team of researchers are repairing the forest’s forgotten web of life, one species at a time.