The nicest thing that one person can do for another is to give a book (maybe that is why I'm such a librarian groupie!). Imagine my joy when the UPS guy dropped off a big box full of 12 books!

image: Best-selling author Sam Kean stops by Reactions this week to debunk the myth of the megalodon, the 50-foot super shark that, despite what 'Shark Week' may lead you to believe, is long-extinct.

As Sam Kean points out at the start of "The Disappearing Spoon And Other True Tales of Madness, Love and the History of the World From the Periodic Table of Elements," the periodic table is a clear, ...

Science magazine reporter Kean views the periodic table as one of the great achievements of humankind, "an anthropological marvel," full of stories about our connection with the physical world. Funny, ...