French marathon swimmer Benoit Lecomte (left) prepares to jump into the Potomac River in Washington, D.C., in 2002. In 1998, Lecomte swam across the Atlantic Ocean.
Manny Ceneta /AFP/Getty Images
A photo from May shows Gino Celli checking his parched crops near his farm near Stockton, Calif. If predictions of a strong El Niño prove true, it could presage a relief from the region's prolonged drought.
These amphipods were discovered by scientists from the University of Aberdeen in waters more than 4 miles deep, north of New Zealand. Similar shrimplike crawlers may lurk at the bottom of the Challenger Deep.
Oceanlab/University of Aberdeen/AP
The second atomic bomb test at Bikini Atoll on July 25, 1946. The Marshall Islands, where Bikini is located, is suing the U.S. for what it calls a violation of the Nuclear Non-Proliferation Treaty.