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News
Methane-eating bacteria can't keep up with river emissions
5+ hour, 33+ min ago (953+ words) Methane-eating bacteria do little to stop emissions from the small streams that release most of the gas into the atmosphere, according to a new study. In the smallest headwaters sampled across Africa and Europe, the microbes consumed less than five…...
Amazon wetlands release far more methane than expected
5+ day, 7+ hour ago (868+ words) Fly low enough over the Amazon and you’ll find a gap between what climate models say should be happening and what’s actually going on in the air above the trees. New measurements show methane pouring out of Amazon wetlands at…...
A battery powered by humid air matches commercial cells, and a spy version self-destructs when opened
2+ week, 6+ day ago (1290+ words) A new battery arrives completely dry, then wakes the moment it meets humid air. It pulls in water vapor to brew the liquid it needs to run. The result is a battery powered by little more than the air around…...
Plastic bottles transformed into clean fuel using only sunlight
3+ week, 2+ day ago (759+ words) Drop a plastic bottle into the recycling bin and you assume it gets a clean second life. Plenty of it still ends up burned or buried, while recycling what remains takes more energy than many systems can afford. A team…...
Food waste could provide a cheaper way to pull CO2 from the air
3+ week, 6+ day ago (859+ words) Making cheese leaves behind a cloudy, watery liquid that most producers pay to haul off. Tofu factories spill out their own protein-rich runoff, and the bulk of it is treated as waste. Materials scientists in Switzerland looked at that throwaway…...
Engineers have developed a jacket that captures and stores drinking water directly from the air
4+ week, 20+ hour ago (745+ words) The usual setup is a box on a rooftop, a panel in a yard, a damp bin in a corner, each a fixture you set up and leave running. This one has no box and no panel. You just wear…...
Water trapped inside tiny clay channels can store electrical charge, powering a new type of capacitor
1+ mon, 4+ day ago (868+ words) Nobody puts water inside a charge-storage device on purpose. Every battery or supercapacitor is designed to keep it out – water corrodes electrodes, dilutes electrolytes, and generally wrecks performance. The working assumption is that water and stored electricity don’t mix. That…...
Some bacteria can survive on light humans can barely see, and scientists mapped how they do it
1+ mon, 1+ week ago (678+ words) Light past the deepest red a human eye can see was considered too weak to split water and power the chemistry of life. A small cluster of microbes does it anyway. Scientists have known these organisms existed for over a…...
Flat materials can bend light, and scientists just found the pattern hiding inside
1+ mon, 1+ week ago (669+ words) When researchers program a flat sheet covered with millions of tiny light-bending structures – known as a metasurface – to steer light, something unexpected happens: its orderly grid seems to disappear. What began as a regular pattern turns into something nobody can…...
Scientists found a lower-heat way to make clean hydrogen from water
1+ mon, 1+ week ago (866+ words) Hydrogen-powered buses already glide through a handful of cities, trailing nothing but water vapor. The fuel burns clean, no carbon, no soot. Making clean hydrogen from water is the hard part. Almost all the hydrogen we burn today comes from…...