A member of Brazil's Xikrin Nation holds a baby before the Indigenous Nations' Games in Pagagominas, Brazil, in November 2009. A French documentary by Thomas Balmes, "Babies," opened the Hot Docs Canadian International Documentary Festival on April 29. The Focus Features film followed four babies in four places - Mongolia, Namibia, San Francisco, and Tokyo – through their first year.
The UN Atlas of Endangered Languages lists 18 languages with only one remaining speaker. With about one language disappearing every two weeks, some of these have probably already died off.
Thomas Schroeder from Norden adjusts his turbine-kite at the North Sea coastal holiday village of Norddeich, Germany, on Monday.
The US has yet to ratify its free trade agreement with Colombia, and Colombia's trade minister is in Washington this week to deliver a message: It's costing the US jobs and exports.
A large globe, with the US Capitol in the background, is seen on the Mall as part of Earth Day celebrations on April 22.
Every time in recorded history that Eyjafjallajökull volcano has erupted, the much larger Katla volcano has also erupted. Scientists are watching Katla carefully.
In Latin America, the response to allegations of sexual abuse of children by Roman Catholic priests has been muted relative to the recent firestorm in Europe. But some warn that if the matter isn't tackled head on, doubts about the Vatican could spread.
The security summit that begins in Washington Monday aims to ensure that nuclear weapons and weapons-grade materials are put under lock and key to prevent terrorists from getting them.
Sunday's 7.2-magnitude Mexicali earthquake killed only two, despite being stronger than the Jan. 12 Haiti quake that killed more than 200,000 and made 1 million homeless. Why?