
Animals
Plastic ‘fossils’ help scientists reconstruct the history of bird nests
Plastic waste has let common coots reuse nests year after year. Scientists have now used the trash layers to date how old nests are.
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Plastic waste has let common coots reuse nests year after year. Scientists have now used the trash layers to date how old nests are.
The seals’ ability to detect the amount of oxygen in their blood may help them make diving decisions and avoid drowning.
A brain scanning study of babies reveals how some of the earliest memories are made.
A chemical in Adélie penguin guano may have cued krill to take evasive maneuvers in lab tests.
Brain activity in vocalizing budgerigar parrots showed a pattern that harkened to those found in the brains of people.
Southwestern Sydney's koalas have avoided the chlamydia outbreak threatening the entire species. But their isolation has left them extremely inbred.
The iguanas' 8,000-kilometer trip — one-fifth of the Earth’s circumference — is the longest made by a flightless land vertebrate.
Videos show narwhals using their tusks in several ways, including prodding and flipping a fish. It’s the first reported evidence of the whales playing.
During the age of dinosaurs, early mammals probably lacked the stripes and spots of their modern relatives, having uniformly dark, drab coats.
A study of nearly 38,000 adults shows that the number of kids correlates with coordination of brain regions’ activities — regardless of parents’ sex.
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