The Navy SEALs who stormed Osama bin Laden's compound in Abbotabad, Pakistan, on Monday spent much of their time collecting evidence that is now being pored over by U.S. intelligence officials.
Jody Banks displays a selaginella plant at her desk at Purdue University. Banks says selaginella represents an important step in the evolution of plants and produces secondary metabolites that could have medical applications.
Andy Jessop/The Purdue Exponent
Pakistani Foreign Secretary Salman Bashir briefs the media about the killing of Osama bin Laden at the Foreign Ministry in Islamabad on May 5. Bashir said that the accusations that Pakistan's intelligence agency colludes with al-Qaida are false and cannot be substantiated.
Farooq Naeem/AFP/Getty Images
A U.S. Border Patrol agent walks past photos of slain fellow agent Brian Terry, a Marine Corps veteran, during a memorial service on Jan. 21, 2011, in Tucson. Terry was killed during a Dec. 14 shootout near the U.S.-Mexico border. Thousands of Border Patrol agents and law enforcement officers from across Arizona turned out for the memorial.
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Nurse Pamela Saenz draws blood from a student from the Instituto Tecnologico de Delicias at a mobile blood bank in the northern Mexican city of Delicias, Chihuahua.
Monica Ortiz Uribe for NPR