A new research led by Professor Hannes Lohi at the University of Helsinki, Finland, revealed several similarities between compulsive behavior in dogs and humans: Early onset, recurrent compulsive behaviors, increased risk ...
Plants & Animals
Aug 20, 2012
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(Phys.org) -- Five-month-old female alligators exposed during development to toxins found in a polluted Florida lake show changes in ovarian gene function and decreased body weight at hatching, but paradoxically showed accelerated ...
Plants & Animals
Jul 20, 2012
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An Indiana University biologist has shown that natural variation in measures of the brain's ability to process steroid hormones predicts functional variation in aggressive behavior.
Plants & Animals
Jun 6, 2012
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Hormones shape our bodies, make us fertile, excite our most basic urges, and as scientists have known for years, they govern the behaviors that separate men from women. But how?
Cell & Microbiology
Feb 2, 2012
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Great tits who have as many sons as daughters acquire more grandchildren than great tits with an uneven family composition. That is because their children are reproductively more successful concludes NWO researcher Reinder ...
Plants & Animals
Dec 19, 2011
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A Purdue University researcher has taken corn off steroids and found that the results might lead to improvements in that and other crops.
Biotechnology
Nov 30, 2011
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Researchers at the Keck School of Medicine of the University of Southern California (USC) have discovered key processes by which estrogen, the female sex hormone, activates genes in breast-cancer cells. Greater understanding ...
Biochemistry
Nov 15, 2011
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(PhysOrg.com) -- In many bird species males have a more elaborate plumage than females. This elaborate plumage is often used to signal body condition, to intimidate rivals or to attract potential mates. In many cases plumage ...
Plants & Animals
Oct 21, 2011
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Contrary to popular belief, birth control pills account for less than 1 percent of the estrogens found in the nation's drinking water supplies, scientists have concluded in an analysis of studies published on the topic. Their ...
Environment
Dec 8, 2010
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New research being presented today at the UK National Stem Cell Network Annual Science Meeting in Nottingham shows that adding fat to mouse stem cells grown in the lab affects their response to the signals that push them ...
Cell & Microbiology
Jul 11, 2010
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