Discover's 20 Things You Didn't Know about Everything: Duct Tape, Airport Security, Your Body, Sex i

How much do you know about . . .

• Obesity
• Sleep
• Meteors
• Aliens
• Bees
• Sperm banks
• Sex in space
• Duct tape
• Germs
• Airport security
• Death
• Ancient weapons
• Rats
• The Internet
• Birth
• Weather
• Milk
• Mosquitoes
• Your body
• Space disasters

DISCOVER'S 20 Things You Didn't Know About Everything is the first book written by the editors of the award-winning DISCOVER magazine. Based on DISCOVER'S most eagerly awaited monthly column, "20 Things You Didn't Know About," this original book looks at many popular--and sometimes unexpected--topics in science and technology, and reveals quirky, intriguing, and little-known facts.

Whether you're just curious or think you already know everything, this book is guaranteed to expand your mind.