Tinkerclass (Week 4 Day 2): Explore & Plan

It's day 2 of TINKERCLASS--Explore & Plan. It's time to get nosey about SMELLS! This week's project features the Wow in the World episode, Getting Nosey About the Science of Smell! See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.