Why is glass transparent? Why do cats purr? Why do men have nipples? These are but a handful of the thousands of questions that over the years have been asked and answered in <i>The New York Times</i> "Science Q&A" column. At last, the best and most interesting questions-and their replies-have been collected in a book for general readers.<br><br>From wild animals to outdoor vegetation, from the human body to the heavens above, <i>The New York Times Book of Science Questions and Answers</i> takes readers on a thoroughly entertaining and informative journey through the world we live in. Like David Feldman's bestselling books <i>Do Penguins Have Knees?</i> and <i>Why Do Clocks Run Clockwise?</i>, this is science at its fun-filled best. Featuring answers from a wide variety of leaders across the country in scientific research and education, and illustrated by the delightful drawings of Victoria Roberts, <i>The Times</i> Q&A column is one of the best read features in the Science Times, which is one of the most popular sections of the newspaper. With a daily circulation of 1.2 million people, <i>The New York Times</i> is a leader in conveying scientific information to the general public.<br><br>This fact-filled handbook for the scientifically curious should prove invaluable as a family reference book, as a classroom resource, as an entertaining subway diversion, and even as a supplement to public libraries' Frequently Asked Questions lists.