The remains of a ship from the 1700s found at the World Trade Center site were moved to the Maryland Archaeological Conservation Laboratory last week. All sorts of experts, from tree scientists to conservators, are working hard on understanding more about the ship's origins. Warren Riess, professor of maritime history and archeology at the University of Maine and lead investigator, told the Washington Post, "It's a mystery. It's like a detective story." more ›

Today between 8 p.m. and 9 p.m., people in timezones all over the world will be turning off their lights for Earth Hour. World Wildlife Fund started the event as a way to "deliver a powerful message to the citizens and leaders of the world about the need for action." more ›