Researchers in the Oregon State University College of Engineering have developed a handheld sensor that tests perspiration for cortisol and provides results in eight minutes, a key advance in monitoring a hormone whose levels ...
Biochemistry
Mar 22, 2023
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67
Swallowing a pill only seems to make it disappear. In reality, the drug eventually leaves your body and flows into waterways, where it can undergo further chemical transformations. And these downstream products aren't dead ...
Environment
Jan 25, 2023
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50
Adolescent chimpanzees share some of the same risk-taking behaviors as human teens, but they may be less impulsive than their human counterparts, according to research published by the American Psychological Association. ...
Plants & Animals
Jan 23, 2023
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257
Koalas have adapted to Australia's rugged terrains. But bushfires, land clearing and other extreme threats can mean they suffer prolonged stress—and this has a significant effect on their wellbeing.
Ecology
Dec 15, 2022
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2
How picky should females and males be when they choose a mate? How fiercely should they compete for mates? And how much should they engage in raising their offspring? The answers to these questions largely depend on the ratio ...
Evolution
Nov 29, 2022
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8
Free-living great tits differ considerably in the level of stress hormones in their blood. A research project at the Max Planck Institute for Biological Intelligence studied the birds over several years. The scientists observed ...
Ecology
Nov 9, 2022
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12
Tiger Beach in the Bahamas is famous for its paradisiacal beauty and for being frequented by an animal that might scare most people away but is actually an outstanding diving tourism attraction: the Tiger shark (Galeocerdo ...
Plants & Animals
Nov 8, 2022
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371
A new analysis of old data suggests that the endangered erect-crested penguin's bizarre nesting habits—rejecting the first egg they lay—is because they can't feed two chicks, and the second, larger egg has a better chance ...
Plants & Animals
Oct 12, 2022
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248
It's easy to assume all animals have a neat dividing line between the sexes because the differences in appearance between males and females can be so striking. But the more scientists learn about wildlife, the clearer it ...
Plants & Animals
Sep 28, 2022
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3
Recently, scientists from Shanxi Datong University and Chongqing University revealed that SlCMT4, which encodes a DNA methyltransferase responsible for de novo and non-CG methylation, plays an important role in diverse developmental ...
Molecular & Computational biology
Aug 23, 2022
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