Stinky Smelly HoldYourNose Science Author:Kristine Petterson Sometimes science really stinks! — Rotten food. Garbage dumps. Foul feet. They're stinky. They're science in action! Bacteria, chemicals, molecules, and gases are hard at work all the time, creating those smells that make you hold your nose. Now you can find out how it all happens, and create a few new smells of your own. — Get ready for hou... more »rs of stinking fun with