How much do you really know about how the human body works, and how it reacts to food, exercise, nutrition, and the environment? While most of us have read about at least one fad diet, we’re lef
A Selection of the Scientific American Book ClubExplaining why antifreeze is a component of toothpaste and how salt works in shampoo, this fascinating handbook delves into the chemistry of everyday h
This fresh collection of more than 20 science projects—from hydrogen fuel cells to computer-controlled radio transmitters—is perfect for the tireless tinkerer. Innovative activities inclu
