Organisms
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alexander tzetlin
This Worm Has 100 Butts
In Greek mythology, the hydra is a creature with many heads. In Norse mythology, Odin rides Sleipnir—a horse with many…
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apex predators
Polar Bear and Grizzly Bear Hybrids May Be Growing More Common Because of the Climate Crisis
Image: Guy Clavel/AFP and Dani Pozo/AFP (Getty Images) What do you get when you cross a polar bear and a…
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animals
Distinct Species of Ermines Have Been Hiding in Plain Sight
An ermine with its white winter fur. Image: Forest Service Northern Region Arguably the cutest member of the weasel family,…
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axolotl
Geneticists Get Closer to a Complete Axolotl Genome
An axolotl in a regenerative therapy lab in Dresden in 2015.Photo: ROBERT MICHAEL/AFP (Getty Images) Its adorableness aside, the Mexican…
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biology
These Mutant Rabbits Walk on Two Legs, and Geneticists Now Know Why
A sauteur d’Alfort rabbit walking on its front feet, the result of a genetic mutation.Photo: S. Boucher An entire lineage…
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a hydrillicola
Mysterious Bald Eagle Killer Finally Identified
Photo: Doug Pensinger (Getty Images) In a new study out Thursday, scientists say they’ve solved the mystery of a neurological…
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animal models
Cats Are Just as Disloyal as You Suspected, New Study Suggests
Photo: Manan Vatsyayana/AFP (Getty Images) New research points to an important distinction between cats and dogs when it comes to…
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ancient dna
An Extinct Cave Bear’s DNA Was Still Readable After 360,000 Years
Cave bear skulls found in the Caucasus mountains. Image: Gennady Baryshnikov A tiny ear bone belonging to a cave bear…
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