Animals

Dogs descended from two ancient wolf populations.
 According to a study that examined DNA from 72 ancient wolves dating back 100,000 years, modern dogs have ancestors from wolves in Asia and...
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Ghost DNA from hybrid coyotes may be able to save endangered red wolves.
 A hidden reservoir of red wolf DNA has been discovered in coyotes in southwestern Louisiana, which could be used to help the endangered wo...
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The ability of dinosaurs to survive icy cold helped them dominate the planet.
  Because dinosaurs were already adapted to polar environments, they may have survived cold winters during the end-Triassic extinction even...
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Evolutionary history of pandas that survive solely on bamboo
An ancient fossil reveals the earliest panda to survive solely on bamboo and the evolution of false panda thumbs. When is a thumb no longe...
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The octopus and human brains have the same "jumping genes."
 A new study has discovered an important molecular analogy that could explain these invertebrates' remarkable intelligence. The octopus...
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Climate change is negatively affecting bumble bees.
Temperature changes have harmed the majority of bumble bee species over the last 120 years, according to new research published this week i...
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Females itch less than males
  Estradiol , a female hormone, was discovered to suppress psoriasis in mice by regulating neutrophil and macrophage cells. Conditional knoc...
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Megalodon may have been higher up the food chain than any modern shark
  Megatooth sharks, including megalodon, appear to have held the highest position in marine predator food webs ever held by a predator. Mega...
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Tiny pumpkin toadlet frogs are such clumsy jumpers.
Pumpkin garlands are just a centimeter long — and the tiny size of their well-balanced organs might explain why they jump so randomly. Pumpk...
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The Canine Family Tree in America
  (Photo courtesy of the Center for American Archeology/Del Baston) Koster, Illinois, ancient dog skeleton The fate of the indigenous dogs o...
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Europe's largest land predator discovered on the Isle of Wight
Anthony Hutchings created this illustration of a White Rock spinosaurid. Credit: UoS/A Hutchings   Research led by paleontologists at the U...
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New clues about when, where and how chickens were domesticated
New research is transforming our understanding of the conditions and timing of chicken domestication , and its spread across Asia to the We...
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How Species Form: What the Intertwined History of the Polar Bear and the Brown Bear Tells Us
 A new study offers a more detailed look at the evolutionary histories of polar bears and brown bears. The fact that these animals became se...
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These dolphins may seek skincare from corals.
 Corals may contain substances that assist mammals to maintain healthy skin or treat infections. A bottlenose dolphin from the Indo-Pacific ...
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Some hamsters are extremely susceptible to COVID-19
 Low amounts make the animals seriously ill, and fast testing can detect the infection in some cases. In January, Hong Kong culled hamsters ...
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