Books The Big Questions in Science The Quest to Solve the Great Unknowns by Mun Keat Looi, Hayley Birch and Colin Stuart Hardcover, 192 pages, Gardners Books, List Price: $25.30 | purchase close overlay Buy Featured Book TitleThe Big Questions in ScienceSubtitleThe Quest to Solve the Great UnknownsAuthorMun Keat Looi, Hayley Birch, et al Your purchase helps support NPR programming. How? Amazon Independent Booksellers Genres: Nonfiction Science & Health Facebook Twitter Google+ Email NPR stories about The Big Questions in Science iStockphoto.com Opinion 13.7: Cosmos And Culture The 10 Most Important Questions In Science* September 11, 2013 We know a lot. But we don't know everything. In fact, science still has quite a few "big" questions left to answer. Physicist Marcelo Gleiser pokes at 10 of them, questions highlighted in a new book naming the most difficult scientific problems of our time.