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On rabbit-holes, real, figurative, and both. By the peerless Kathryn Schulz, who is clearly having too much fun at the New Yorker.

“If the GoPro camera is first-person singular, the camera trap is third-person plural.” Wonderful piece and slide-show about Serengeti camera traps, spying on Africa’s wildlife. By Alan Burdick.

“Using less than a drop of blood, a new test can reveal nearly every virus a person has ever been exposed to.” Okay, sure, every known virus, but this is still a cool technique with many possible applications.

DARPA had a robotics challenge. Here’s a vid of robots