Mike Janke is the chief executive officer of Silent Circle, a company that sells privacy devices and apps. Silent Circle hide caption

Crimea's new prime minister, Sergei Aksyonov (right), and the speaker of the legislature, Vladimir Konstantinov, attend a rally at Red Square in Moscow on March 18, the day Russia annexed the territory. Russia is pumping billions into Crimea after taking it from Ukraine. However, corruption has been a major problem in Crimea. Pavel Golovkin/AP hide caption

The Daily Show recently debuted its newest correspondent, Michael Che. Paul Marotta/Courtesy of Michael Che hide caption

The number of fathers in the U.S. who stay at home with their children has nearly doubled since 1989. iStockphoto hide caption

Doctors used a rapid DNA test to identify a Wisconsin teen's unusual infection with Leptospira bacteria (yellow), which are common in the tropics. CDC/Rob Weyant hide caption

A new exhibit at the Mississippi state archives includes photographs, excerpts from journals and film clips documenting 1964's Freedom Summer. Debbie Elliott/NPR hide caption