Discover's 20 Things You Didn't Know About Everything

How much do you know about . . .ObesitySleepMeteorsAliensBeesSperm banks Sex in spaceDuct tapeGermsAirport securityDeathAncient weaponsRatsThe InternetBirthWeatherMilkMosquitoesYour bodySpace disastersDISCOVER'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.