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
Step-by-step instructions to building more than 30 fascinating devices are included in this book for workbench warriors and grown-up geeks. Detailed illustrations and diagrams explain how to construc
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
