Reviews Nature’s Chemicals: The Natural Products that Shaped Our World by Richard Firn Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Science News March 12, 2010 at 12:04 pm A biologist explores useful compounds made by plants and microbes.Oxford Univ. Press, 2010, 250 p., $65. NATURE’S CHEMICALS: THE NATURAL PRODUCTS THAT SHAPED OUR WORLD BY RICHARD FIRN