A deficiency in a key enzyme that processes proinsulin in the pancreas, a phenomenon that occurs in diabetes, causes mice to have voracious appetites and become overweight.
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Genome analysis shows that most Australian rabbits are descended from a few wild individuals brought to Melbourne in 1859.
The emotional bond between owner and pet plays a fundamental role in this behavior.
A super-spreader with omicron expels a thousand times more viral RNA than those infected with the alpha or delta variants.
The description of the fossil, belonging to Sahelanthropus tchadensis, comes two decades after its discovery.
The embryos, created in the laboratory without using eggs or sperm, developed organs very similar to the brain and heart.
Apparently, the brain areas relevant to empathy are less active in a state of fatigue.
The American Heart Association emphasizes the importance of people recognizing various symptoms to diagnose cardiovascular diseases early and improve their prognosis.
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Stroking, touching, or holding: the way people make contact with their hands differs only in a few details, but it conveys messages that the recipient can intuitively understand.
According to a recent analysis, the metabolism of warm-blooded ancestors accelerated in the late Triassic, between 230 and 200 million years ago.