Jena Pincott writes about the quirky, hidden side of science — the shocking, subconscious, under-the-radar stuff. She is the author of the new book "Do Chocolate Lovers Have Sweeter Babies?: Exploring the Surprising Science of Pregnancy" and "Do Gentlemen Really Prefer Blondes?", on the science of sex, love, and attraction, which is being translated into 17 languages. Jena has a background in biology and is the mother of a baby girl.