Tom Bodkin of The New York Times displays a tablet computer at the American Society of Newspaper Editors annual convention in 2006. Elaine Thompson/AP hide caption

Journalists broadcast from the studio of Signal FM 90.5 in the Port-au-Prince suburb of Petionville last week. Signal FM is the only radio station in the city that has broadcast nonstop since the Jan. 12 earthquake. Ariana Cubillos/AP hide caption

Tools like these ax heads from Vinelz, Switzerland, were used by Neolithic farmers and may have been part of their sex appeal to hunter-gatherer women. Sandstein via Wikimedia hide caption

Ski cross skiers at the Nature Valley World Cup ski cross final in Lake Placid, N.Y. Graham Smith/NPR hide caption

Federal Reserve Chairman Ben Bernanke listens during the Senate Banking, Housing and Urban Affairs hearing on his nomination for another term as head of the nation's central bank on Dec. 3. Jim Watson/Getty Images hide caption

The Supreme Court decision on corporate spending in political campaigns overturns a 20-year-old ruling. Michael McCloskey hide caption

Local residents protest against a U.S. military base in Kadena on Japan's Okinawa island, Nov. 5, 2009. Most U.S. bases in Japan are on the southern island and have been the source of tensions for decades. Kazuhiro Nogi/AFP/Getty Images hide caption

A Yemeni soldier operates at the checkpoint on the northern entrance of the capital, San'a, on Jan. 13. Nasser Nasser/AP hide caption