Former secretary of Homeland Security Janet Napolitano prepares to testify before the Senate Judiciary Committee in 2013. She has written a new book called How Safe Are We?
Chip Somodevilla/Getty Images
Scientist Corey Gray and his mother, Sharon Yellowfly, are pictured at one of the two massive detectors that make up the Laser Interferometer Gravitational-Wave Observatory. One facility, where Gray works, is in Washington state, and the other is in Louisiana.
Courtesy of Russell Barber
"The Burial Of Kojo" takes place in Ghana, using a cast and crew made up almost entirely of locals. Above, Cynthia Dakwa, who plays the role of "Esi," and Joseph Otsiman, who plays "Kojo."
Ofoe Amegavie/Ofoe Amegavie