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A hidden pollutant is changing how the world’s forests breathe

​A massive global analysis found that nitrogen pollution can either speed up or dramatically slow the natural “breathing” of forest soils, depending on the ecosystem’s condition. The results reveal hidden tipping points that could affect how forests store carbon and…

A hidden pollutant is changing how the world’s forests breathe

​A massive global analysis found that nitrogen pollution can either speed up or dramatically slow the natural “breathing” of forest soils, depending on the ecosystem’s condition. The results reveal hidden tipping points that could affect how forests store carbon and…

DNA solves 250-year-old mystery of the Seychelles’ lost crocodiles

​Scientists have solved the mystery of the Seychelles’ vanished crocodiles using DNA from historic museum specimens. The reptiles were not a unique species after all, but an isolated population of saltwater crocodiles that likely drifted thousands of kilometers across…

Oak trees are delaying spring to starve caterpillars

​Oak trees have a surprising trick to fight back against hungry caterpillars: they simply wait. When trees are heavily attacked one year, they delay leaf growth by just three days the next spring—long enough to leave newly hatched caterpillars with nothing to eat….

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Beavers are turning rivers into powerful carbon sinks

​Beavers may be unlikely climate heroes, but new research suggests they could play a powerful role in fighting climate change. By building dams and transforming streams into wetlands, these industrious animals dramatically reshape how carbon moves and is stored in…

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Tiny clump of moss helped solve a shocking cemetery crime

​A tiny piece of moss helped expose a cemetery scandal in Illinois, where workers allegedly dug up graves and resold burial plots. By identifying the moss and analyzing its chlorophyll to estimate its age, scientists proved the remains had been moved recently—evidence…

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T. rex took 40 years to reach full size, study finds

​Tyrannosaurus rex may have taken far longer to grow up than scientists once thought. By analyzing growth rings in fossilized leg bones from 17 tyrannosaur specimens and using new statistical methods, researchers found that the famous predator likely took about 40…

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Melting Antarctic ice may weaken a major carbon sink

​Melting ice from West Antarctica once delivered huge amounts of iron to the Southern Ocean, but algae growth did not increase as expected. Researchers found the iron was in a form that marine life could not easily use. This means more melting ice does not…

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