Animals
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Animals
Narwhals are really, really good at echolocation
Audio recordings from the Arctic suggest that narwhals take directional sonar to the extreme.
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Animals
Old bonobos have bad eyesight — just like us
As bonobos age, they lose their ability to see things close up, a new study suggests.
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Animals
Most illegal ivory is less than three years old
Most of the ivory seized by law enforcement in the last decade doesn’t come from elephants poached many years ago.
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Animals
Most illegal ivory is less than three years old
Most of the ivory seized by law enforcement in the last decade doesn’t come from elephants poached many years ago.
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Life
City dolphins get a boost from better protection and cleaner waters
Bottlenose dolphins near Adelaide, Australia, are slowly growing in number due to better environmental conditions and better protection.
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Genetics
Gene gives mice and chipmunks their pinstripes
A recycled regulator paints on rodents’ light stripes.
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Paleontology
Early birds could achieve liftoff
Early birds and other flying dinosaurs had the strong legs and wing speed needed to launch into the air directly from the ground, researchers argue.
By Meghan Rosen -
Genetics
Ancient hookups gave chimps a smidge of bonobo DNA
Genetic evidence suggests bonobos and chimpanzees interbred after becoming separate species.
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Climate
Climate change shifts how long ants hang on to coveted real estate
Simulated climate warming reveals a new pattern in turnover of ant nests.
By Susan Milius -
Animals
With climate change, grizzly bears may hibernate less
New research shows that food availability and weather are driving when grizzly bears enter and exit their dens for hibernation.
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Animals
Maps show genetic diversity in mammals, amphibians around the world
Maps of genetic diversity within mammal and amphibian species provide a baseline for understanding the effects of human activity and climate change on animals.
By Kate Travis -
Archaeology
Wild monkeys throw curve at stone-tool making’s origins
Monkeys that make sharp-edged stones raise questions about evolution of stone tool production.
By Bruce Bower