Humans did not cause woolly mammoths to go extinct — climate change did
For five million years, woolly mammoths roamed the earth until they vanished for good nearly 4,000 years ago – and scientists have finally proved why.Credit:...
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Origin of domestic horses finally established
Horses were first domesticated in the Pontic-Caspian steppes, northern Caucasus, before conquering the rest of Eurasia within a few centuries. These are the results of...
Molecular atlas of senescent cells could chart way to therapies for age-related diseases and cancer
PITTSBURGH, Oct. 20, 2021 – Most cells throughout the body can divide and multiply to replace old cells and repair damaged tissue, but in response to certain stresses,...
Savannah chimpanzees, a model for the understanding of human evolution
To prosper, most great apes need lush forests in Africa (bonobos, chimpanzees, and gorillas) or Southeast Asia (orangutans), except for some groups of chimpanzees that...
A rapid mechanism for muscle self-repair independent of stem cells
Muscle is known to regenerate through a complex process that involves several steps and relies on stem cells. Now, a new study led by researchers...
Termite brains can grow in anticipation of a single moment of flight and light
New research on dampwood termites (Zootermopsis angusticollis and A. nevdensis) shows select members of the colony will experience brain changes in anticipation of cognitive demand.Credit: Sean O'Donnell,...
Preventing postsurgical adhesions using hydrogel barriers
(LOS ANGELES) – Following surgery within the abdominal or pelvic cavities, scar tissue often forms on the inner linings of these cavities and may adhere...
Concordia researchers develop a new way to find cancer at the nanometre scale
Diagnosing and treating cancer can be a race against time. By the time the disease is diagnosed in a patient, all too often it is...
Small-scale foragers left more than footprints on the landscape
Archaeological sites like the Great Wall of China and the pyramids can be seen with the naked eye from space, but for ancient societies that...
Maintaining balance in the brain
SAN FRANCISCO, CA—October 19, 2021—With the school year well on its way, we all recognize the importance of getting students energized. However, we also know...
Arctic krill use twilight to guide their daily rhythms through the polar winter
Most animals sync their body clocks to the daily rhythm of the sun, but what happens during the polar winter when the sun never rises...
AI helping to quantify enzyme activity
Without enzymes, an organism would not be able to survive. It is these biocatalysts that facilitate a whole range of chemical reactions, producing the building...
Cat bacteria treats mouse skin infection, may help you and your pets as well
Researchers at University of California San Diego School of Medicine used bacteria found on healthy cats to successfully treat a skin infection on mice. These...
Dairy calves use brushes for more than combing their hair!
Philadelphia, October 19, 2021 – Dairy cows have a natural drive to groom themselves and to scratch those hard-to-reach itches on their bodies. When given...
Drug helps sensory neurons regrow in the mouse central nervous system
A spinal cord injury damages the lines of communication between the body and brain, impeding the signals that drive movement and sensation. Injured motor and...
