Chance events may profoundly shape history. What if Franz Ferdinand's driver had not taken a wrong turn, bringing the Duke face to face with his assassin? Would World War I still have been fought? Would Hitler have risen ...
Evolution
Jun 19, 2014
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Chemical analyses by neuroscientist Jerrold Meyer and colleagues at the University of Massachusetts Amherst are helping to establish hair cortisol concentration (HCC) as an important new biomarker for stress in wild animals ...
Ecology
Jan 24, 2014
0
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While small-scale horticulture is a relatively recent addition to the human repertoire of food provisioning, hunting has deep evolutionary roots. In practically every society, hunting ability correlates with reproductive ...
Evolution
Dec 12, 2013
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University of Adelaide researchers have shown that sheep wool growth can be significantly boosted by manipulating the stress hormone, cortisol, in their pregnant mothers.
Plants & Animals
Oct 22, 2013
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When a member of the wolf pack leaves the group, the howling by those left behind isn't a reflection of stress but of the quality of their relationships. So say researchers based on a study of nine wolves from two packs living ...
Plants & Animals
Aug 22, 2013
13
1
Evolution, it seems, sometimes jumps instead of crawls. A research team led by a University of Chicago scientist has discovered two key mutations that sparked a hormonal revolution 500 million years ago.
Evolution
Jun 24, 2013
6
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(Phys.org) —A diverse team of international researchers has found that women with stronger immune systems don't necessarily have prettier faces than women whose immune system is not so strong. In their paper published in ...
Stress affects the congenital immune defence system. New doctoral research has revealed how stress can lower the immunity of salmon and increase its susceptibility to viral infection.
Ecology
Jan 2, 2013
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Our planet was revolving on its axis, turning night into day every 24 hours, for 4.5 billion years - long before any form of life existed here. About a billion years later, the very first simple bacterial cells came into ...
Cell & Microbiology
Oct 2, 2012
4
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Wild orangutans that have come into contact with eco-tourists over a period of years show an immediate stress response but no signs of chronic stress, unlike other species in which permanent alterations in stress responses ...
Ecology
Mar 15, 2012
0
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