A "space toilet" on display at Miraikan, The Emerging Museum of Science and Innovation in Tokyo, Japan in 2008.
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One of the difficult aspects of getting humans to Mars is the need to bring food. Researchers are experimenting with a way to make edible "microbial goo" with help from human waste.
House intelligence committee Chairman Devin Nunes, R-Calif., speaks to reporters at the Capitol last year. Nunes is at the center of a political firestorm over the release of a memo critiquing FBI surveillance.
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U.S. Election Assistance Commission staffer Brian Hancock talks about how election systems have become increasingly complicated in recent years, making them more vulnerable to attack.
Pam Fessler/NPR
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The advancement of AI-assisted face-swapping apps lets users apply the technology to an eerie new trend: pasting the faces of celebrities into pornographic videos.
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A "space toilet" on display at Miraikan, The Emerging Museum of Science and Innovation in Tokyo, Japan in 2008.
Chris Jackson/Getty Images
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Fans tailgate before the NFL football NFC championship game between the Philadelphia Eagles and the Minnesota Vikings Sunday, Jan. 21 in Philadelphia.
Matt Rourke/AP
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