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Used Waymo robotaxi batteries become backup storage for power grids
A 2025 analysis of over 22,700 electric vehicles across 21 models found that average battery capacity loss was about 2.3 percent per year, according to the telematics company Geotab. That translates to such batteries still having more than 81 percent of their original capacity after eight years. Waymo’s current fleet of nearly 4,000 vehicles mainly
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Beans use an immune receptor to call in airstrikes on caterpillars
At the same time, the plants unable to detect the molecular signature of the caterpillar’s drool were largely ignored by the wasps. They weren’t completely defenseless, though. “There are other papers that show if you knock out all immune signaling, the caterpillars grow twice as big—they get enormous,” Steinbrenner says. This, he suggests, indicates the
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Why cats prefer silver vine to catnip and other May highlights
It’s a regrettable reality that there is never enough time to cover all the interesting scientific stories we come across. So every month, we highlight a handful of the best stories that nearly slipped through the cracks. May’s list includes the discovery of a possible prehistoric mining site in the Pyrenees; a new species of
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An OpenAI model solved a famous math problem that stumped humans for 80 years
OpenAI’s diagram is based on choosing c² = 65, which can be satisfied by either 1² + 8² = 65 or 4² + 7² = 65. This means that if the grid spacing is 1/√65, each point will be one unit away from 16 other points: (1,8), (4,7), (7,4), (8,1), (-1,8), (-4,7), and so forth.
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- Used Waymo robotaxi batteries become backup storage for power grids
- Beans use an immune receptor to call in airstrikes on caterpillars
- Why cats prefer silver vine to catnip and other May highlights
- An OpenAI model solved a famous math problem that stumped humans for 80 years
- They call it stupid hot for a reason: Heat muddles animal brains
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