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
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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 ...
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
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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
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Weaning can be a stressful time, but new research published in the Oct. 19 edition of the online journal PLoS ONE shows that the presence of familiar flavors in food, or even in the surrounding air, has positive effects on ...
Plants & Animals
Oct 20, 2011
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A new study, conducted has found that the level of cortisol -- the "stress hormone" -- in individuals immediately prior to casting a vote was significantly higher than in the same individuals in similar non-voting conditions. ...
Social Sciences
Jul 5, 2011
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(PhysOrg.com) -- Scientists in the US have developed a disposable, non-invasive new biosensor to monitor levels of the stress hormone, cortisol, and say the ultrasensitive electrochemical impedance technique it uses could ...
