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
0
67
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
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
A new analysis explores relationships between domestic cats' hormone levels, gut microbiomes, and social behaviors, shedding light on how these solitary animals live in high densities. Hikari Koyasu of Azabu University in ...
Plants & Animals
Jul 27, 2022
1
144
Each year, the world loses about 10 million hectares of forest—an area about the size of Iceland—because of deforestation. At that rate, some scientists predict the world's forests could disappear in 100 to 200 years.
Materials Science
May 25, 2022
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244
Families of fish tend to share similar reactions to stressful situations, new research shows.
Plants & Animals
Feb 15, 2022
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298
Phthalates are a ubiquitous family of chemicals that are used every day. In a new study, researchers have investigated how these compounds affect tissue development in the reproductive systems of female mice offspring.
Plants & Animals
Dec 15, 2021
1
50
Ocean pollution is unfortunately becoming more commonplace, raising concerns over the effect of chemicals that are leaching into the water. In a new study, researchers have discovered how these chemicals can affect the reproduction ...
Ecology
Dec 4, 2021
0
259
