Animals
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Animals‘Forever chemicals’ could be aging dolphins beyond their years
Common dolphins in New Zealand are biologically older than their calendar ages. Trace metals and “forever chemicals” may be to blame.
By Libby Riddle -
AnimalsSeals’ amphibious hearing developed a long, long time ago
Researchers scanned the ears of hundreds of marine mammals to deduce when pinnipeds evolved to hear well in both air and water.
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PaleontologySpines of saber-toothed cats tell a tale of the doomed species
Remains pulled from the La Brea Tar Pits revealed deformed vertebrae and rare tumors, possible signs of inbreeding among now-extinct saber-toothed cats.
By Jake Buehler -
AnimalsWatch an orca ram into a sunfish so hard it explodes
This strategy expands orcas’ already broad repertoire for dispatching different types of prey.
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PaleontologyA rare 3-D snake fossil is ssspilling sssecrets of its unusual lifestyle
A new snake’s unique head anatomy suggests early snakes were even more diverse than thought. This one was a rare burrower.
By Libby Riddle -
AnimalsThis humpback whale hunting strategy has been out of sight — until now
Scientists documented humpback whales hunting together at the seafloor, coordinating their arrival to scoop up sand lances.
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AnimalsApe cuddles could prevent conflicts
Humans could learn from chimpanzees and bonobos, who turn to group members for physical comfort during tense moments.
By Meghan Rosen -
OceansDeep-sea snails ride surface currents to reach distant hydrothermal vents
The finding shows how life spreads between isolated deep-sea vents — and how closely those ecosystems are tied to the sunlit ocean.
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AnimalsSummit living isn’t a problem for this tiny mouse
A boost to heat production and drawing in more oxygen may help Andean leaf-eared mice thrive at altitude.
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AgricultureScientists say Beefalo are all beef, no -alo. Breeders disagree
A whole-genome analysis of Beefalo, a hybrid bison-cattle breed, suggests very few individuals have any bison DNA at all, a new study reports.
By Libby Riddle -
LifeThe natural history of every U.S. state is on display at a new D.C. exhibit
The Smithsonian Natural History Museum’s latest exhibit, “From These Lands,” connects visitors with America’s natural history.
By Aaron Tremper and Mandana Tadayon -
AnimalsThe animal behind most aggressive wildlife encounters may surprise you
Analysis of 3,000 incidents in Canada reveals which animal–human activity combos are especially risky. Of note: Elk and campgrounds are a bad mix.
By Libby Riddle