Nothing kills the thrill of a big-money win at the casino quite like a tax form—and soon the grasp of the taxman could be felt before the jackpot celebration stops at a lucky slot machine.

From the very beginning of the DARPA Robotics Challenge (DRC) Finals, it was obvious that driving was going to be a problem for the robot contestants. The very first robots to take the field this past Friday at the Fairplex in Pomona, California showed up without their modified Polaris utility vehicles. These machines were hoofing it, using their own legs to gradually make their way down a dirt strip meant to simulate part of a disaster zone too perilous for humans. It turned out to be pretty perilous for robots, too. By not even getting into the cars, these teams were already conceding defeat in the two-day Pentagon-funded competition.

In the dark recesses of a tiny cave two hours northwest of Las Vegas, about 100 fish the size of your thumb live a very tough life.

In early 2014, a small team of international programmers created Popcorn Time, an app that enables free online streaming of movies and television shows using BitTorrent file-sharing protocols. Just over a year later, the app's popularity has already reached Netflix-like levels, largely due to its slick interface and higher-quality streams than those on many piracy sites.

Here’s a fish story for you: Five years ago, researchers at UNLV launched what they expected to be a simple, one-week study of the endangered Devil’s Hole pupfish. What they netted instead was a metabolic mystery that seems to defy the rules of biology.