Misunderstood “photophoresis” effect could loft metal sheets to exosphere

Photophoresis can generate a tiny bit of lift without any moving parts. [...]

Incan numerical recordkeeping system may have been widely used

The Inca Empire hung by a thread—literally. [...]

Ice discs slingshot across a metal surface all on their own

VA Tech experiment was inspired by Death Valley's mysterious "sailing stones" at Racetrack Playa. [...]

Scientists want to treat complex bone fractures with a bone-healing gun

It's a bit like a handheld 3D printer, with all the accuracy challenges that implies. [...]

Spokane Shows What the New Era of Wildfires Looks Like

With rising temperatures and drier conditions, fires are more likely to explode. And with more people living next to forests, the results can be catastrophic. [...]

How America's 250th birthday became a test of AI-powered collective intelligence

Imagine if you could bring 250 people together in a massive room and have them discuss and debate an important issue, arguing the points and counterpoints, and converging on answers that accurately re [...]

Why are vertebrate eyes so different from those of other animals?

A new hypothesis proposes that our ancestors lost their eyes, then rebuilt them. [...]

'47 Ronin' director found guilty of defrauding Netflix out of $11 million

A director who was charged with defrauding Netflix out of millions of dollars has been found guilty, Business Insider reports. Carl Rinsch, director of the 2013 Keanu Reeves movie 47 Ronin, now faces [...]

The CDC Has a Leadership Crisis

A 2023 law championed by Republicans requires the CDC have a director confirmed by the Senate. For months, though, it's had only acting directors—and the White House won't say when that wi [...]