Book excerpt: From the bestselling author of Oh, Yuck! and Oh, Yikes!, with over 1.25 million copies in print, here is an A-Z compendium of hands-on grossness. Featuring 114 interactive experiments and ick-tivities, Oh, Ick! delves into the science behind everything disgusting. Stage an Ooze Olympics to demonstrate viscosity and the nature of slime. Observe how fungi grow by making a Mold Zoo. Embark on an Insect Safari to get to know the creepy crawlies around your home. And learn what causes that embarrassing acne on your face by baking a Pimple Cake to pop—and eat. Eww!