A man walks past the outside wall of the 'Art In The Streets' exhibit at the Geffen Contemporary at the Museum of Contemporary Art in Los Angeles. The exhibit is the first major historical exhibition of graffiti and street art to be organized by an American museum.
The K-9 Military Working Dog Unit at Camp Pendleton trains K-9 dogs for deployment into Iraq and Afghanistan at a specially-designed facility on base in San Diego, Calif., in 2010. There are reports that a dog was used during the mission to kill Osama bin Laden on May 1.
Whisper Systems donated its software to help Egyptian dissidents spread the word without the government listening in.
Sri Lanka's Buddhist monks from the Jathika Hela Urumaya (JHU) party hold up oil lamps during a peaceful protest against a UN-appointed panel report in Colombo. The Sri Lankan hardliner nationalist, all Buddhist monk party JHU held a protest against the UN report, which alleged thousands of civilians were killed during the last phase of the war, as they and other protesters marched to Independence Square.
A newly hatched baby Olive Ridley turtle wades past a human footprint to enter the sea at the Rushikulya River mouth beach in Ganjam district, India, Tuesday. Millions of baby Olive Ridley turtles are hatching and entering the Bay of Bengal on the coast of Orissa over the past few days.
A widow holds a portrait of her husband during a ceremony to honor the victims of the Chernobyl accident, held in Kiev, Ukraine, on April 26. Ukraine marked the 25th anniversary of the world's worst nuclear accident at its Chernobyl power plant as Japan pressed on with efforts to control the crisis at its Fukushima plant.
A youth practices parkour, jumping off a wall during a sunny day in central London. Britain's Met Office weather service expect temperatures to rise to 77 degrees Fahrenheit in London and southeast England.
A terrorist attack in Belarus last week and dire warnings aimed at the opposition by President Lukashenko prompted many Belarussians to exchange currency and stockpile supplies.
Russian police academy female cadets march during a rehearsal for the Victory Day military parade at Dvortsovaya (Palace) Square in St. Petersburg, Russia. Russia celebrates the anniversary of the allied victory over Nazi Germany on May 9.
Democracy activists in Egypt are on the defensive after a series of authoritarian crackdowns. Pushback is a common trait of democratic transitions. Yet democratic reforms are vital if Egypt is to achieve real social and economic progress. Reformers must organize quickly, for the long-term.