Technology
Sodium Batteries May Power Your New Electric Car
As EV sales increase, supplies of lithium may get tight. So some companies are incorporating cells with sodium, which provides almost...
The Next Big Thing for RNA? Fixing Moldy Food
Covid vaccines alerted to the world to RNA's potential. Now the technology is being used as an alternative to pesticides.
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A New Dementia Test Raises More Questions Than Answers
A 5-minute assessment on an iPad could transform how we screen for dementia—or overwhelm the health care system with worried test-takers.
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Mathematicians Finally Prove That Melting Ice Stays Smooth
They now have a complete understanding of the complicated equations that model the motion of free boundaries, like the one between...
Lidar Uncovers Hundreds of Lost Maya and Olmec Ruins
An aerial survey in southern Mexico discovered a host of ceremonial sites that could date as far back as 1100 BC.
Bright Spots in the Global Coral Reef Catastrophe
The first major report on the world’s reefs presents a grim picture of losses from global warming. But there are signs corals can...
It’s Time to Delete Carbon From the Atmosphere. But How?
It’s not enough to drastically slash emissions. To stave off the worst of climate change, humanity needs to capture the carbon that's...
Want to Lie on a Bed of Nails? Physics Has Your Back
This is the science of why you can recline on an array of very sharp things without getting the pointy end of the stick.
The Guide for the Next Decade of Space Research Just Dropped
The Astro2020 Decadal Survey's top priorities include new telescopes, the search for habitable exoplanets, and far-infrared and x-ray...
The Cutest Way to Fight Climate Change? Send in the Otters
Saving California's adorable (and very hungry) sea otters helps control other species, leading to the growth of more carbon-sequestering...
