From the files of "Discover Magazine", a leading source of popular science, with over 5 million monthly readers, "Discover" is one of the foremost journals of popular science, pitched to a layman's level. One of the most eagerly awaited monthly features is the 20 Things You Didn't Know About column, which occupies the last page of the magazine. This book takes the best of these columns, but more than just that, the editors at "Discover" have expanded each one into a book-length chapter, telling the story behind the science in a lively, appealing way.The writing in the 25 subject areas is witty and chock-full of little known, quirky facts. The topics are broad, and sometimes unexpected (like sex in space). Using quotes from famous people from all walks of life, and many informative sidebars, readers will surely find out more than 20 things they didn't know about science. It is drawn from a wide variety of scientific fields, including: space disasters; garbage; sleep; meteors; death; ancient weapons; rats; aliens; bees; sperm banks; internet; birth; sex in space; weather; duct tape; germs; your body; milk; mosquitoes; and airport security.