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We Actually Learned a Lot From Philae's Botched Landing on Comet 67/P

The ESA’s attempt to land a probe on Comet 67P/Churyumov-Gerasimenko didn’t go as planned, but the mission has been far from a failure. A recent analysis of Philae’s harrowing journey across the comet has revealed some fascinating clues about its surface, while providing critical insights for future comet missions. » 7/30/15 11:00am 11 minutes ago

Why the Argument Against a Ban on Autonomous Killer Robots Falls Flat

This week, an open letter was presented at an AI conference in Buenos Aires, Argentina calling for a ban on autonomous weapons. The letter has been signed by nearly 14,000 prominent thinkers and leading robotics researchers, but not everyone agrees with its premise. Here’s the case against a ban on killer robots, and… » 7/29/15 12:20pm Yesterday 12:20pm

Half of Biomedical Research Studies Don't Stand Up to Scrutiny

What if I told you that half of the studies published in scientific journals today – the ones upon which news coverage of medical advances is often based – won’t hold up under scrutiny? You might say I had gone mad. No one would ever tolerate that kind of waste in a field as important – and expensive, to the tune of… » 7/29/15 11:40am Yesterday 11:40am

T. Rex's Serrated Teeth Were Even More Badass Than We Thought

Paleontologists have known for years that Tyrannosaurus Rex and other closely related theropods had jagged teeth to help them chew through flesh. But close inspection of crack-like features at the base of these serrations has revealed there’s more to these fearsome teeth than previously believed.
» 7/29/15 10:20am Yesterday 10:20am

No, German Scientists Have Not Confirmed the “Impossible” EMDrive

Two German researchers claim they have produced measurable amounts of thrust using a copy of NASA’s controversial EMDrive. It’s a result that has many people talking, but don’t plan your trip to the to the Alpha Centauri system just yet—the experts we spoke with are all highly skeptical of the study and its findings. » 7/28/15 10:40am Tuesday 10:40am

Only Four-Year-Olds Truly Know Whether They've Gotten a Bad Deal

You probably lost the ability to recognize a bad deal before you got into kindergarten. This experiment shows that they’re able to emotionally understand when hard work has earned something that’s not worth having—but it turns out in this instance, four-year-olds are wiser than six=year-olds. » 7/28/15 6:30am Tuesday 6:30am