Lifeboat Foundation

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Researchers have discovered a new Earth-sized planet orbiting a star outside our solar system. The planet, called Kepler-1649c, is only around 1.06 times larger than Earth, making it very similar to our own planet in terms of physical dimensions. It’s also quite close to its star, orbiting at a distance that means it gets around 75% of the light we do from the Sun.

The planet’s star is a red dwarf, which is more prone to the kind of flares that might make it difficult for life to have evolved on its rocky satellite’s surface, unlike here in our own neighborhood. It orbits so closely to its star, too, that one year is just 19.5 of our days — but the star puts out significantly less heat than the Sun, so that’s actually right in the proper region to allow for the presence of liquid water.

Kepler-1649c was found by scientists digging into existing observations gathered by the Kepler space telescope before its retirement from operational status in 2018. An algorithm that was developed to go through the troves of data collected by the telescope and identify potential planets for further study failed to properly ID this one, but researchers noticed it when reviewing the information.

Look no further. Now you can experience AR without a headset.

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GolfBoard is a hoverboard for the golf course.

These industrial robots are impeccable portrait painters.

The antimicrobial properties of silver have been known for centuries. While it is still a mystery as to exactly how silver kills bacteria, University of Arkansas researchers have taken a step toward better understanding the process by looking at dynamics of proteins in live bacteria at the molecular level.

Traditionally, the antimicrobial effects of silver have been measured through bioassays, which compare the effect of a substance on a test organism against a standard, untreated preparation. While these methods are effective, they typically produce only snapshots in time, said Yong Wang, assistant professor of physics and an author of the study, published in the journal Applied and Environmental Microbiology.

Instead, Wang and his colleagues used an advanced imaging technique, called “single-particle-tracking photoactivated localization microscopy,” to watch and track a particular protein found in E. coli bacteria over time.

Scientists say ancient Romans had perfect teeth because of their low-sugar diets.

Last year, Rocket Lab announced that it would attempt to reuse the first stage of its Electron rocket. The company’s goal is to catch the stage as it falls back towards the ocean by plucking it out of mid-air with a helicopter. While that’s ambitious, a video released today shows that Rocket Lab may not be too far off. The clip shows one helicopter dropping an Electron test stage and another hooking the stage’s parachute with a grappling hook and towing it back to land.

Rocket Lab pulled off this stunt in early March. One helicopter dropped the Electron test stage over open ocean in New Zealand. A second helicopter caught it, on the first attempt, at around 5,000 feet.

Thanks to 3D-printing, 25,000 homeless people in Texas have somewhere to live.