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Environment

California bets on iron-salt battery power to protect against wildfire

A battery made from cheap and non-flammable iron and salt could provide emergency power in one of California鈥檚 high wildfire risk zones

Environment

Forests with robust animal populations store four times as much carbon

Technology

Solar-powered ambush drones can wait for targets like land mines

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Steadfast lifestyle changes seem best to improve cognitive decline

Life

Puppy and cheetah cub make unlikely pair of step-siblings

Physics

We may be able to share quantum entanglement nearly infinitely

Space

A vast bubble around a dying star is too big to comprehend

Space

Signs of alien life on exoplanet K2-18b have all but vanished

Skydweller Aero

Technology

Solar drone with wingspan wider than jumbo jet could fly for months

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Negative social ties, like frenemies, could be ageing you

Having someone in your life who hassles you or causes problems could be adding 2.5 months to your biological age

Humans

Neanderthals were probably maggot-munchers, not hyper-carnivores

Environment

We are undergoing unprecedented loss of freshwater across the planet

Environment

Major carbon sink may have vanished for a second year in a row

Space

Peculiar galaxy seems to contain surprisingly pristine stars