Gold-digging

In South Africa, production of a single ounce of gold requires about three tons of rock, 1,320 gallons of water and 600 kilowatt hours of electricity.

Caesar’s Last Words

William Shakespeare recorded the dying words of Julius Caesar in his play of the same name: “Et tu, Brute.” But Shakespeare created the quotation for artistic effect. Suetonius, author of “The Lives of the First Twelve Caesars,” writes that Caesar’s actual last words were “Kai su, teknon,” meaning “Even you, my child.”