Secondary sexual characteristics are features that appear at sexual maturity and distinguish the two sexes of a species. Studies of secondary sexual characteristics in a species are vital for fully understanding its behavior, ...
Archaeology & Fossils
Feb 18, 2016
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(Phys.org) —As poverty rates for virtually every demographic group increased during the recent recession, lesbian, gay and bisexual Americans are more likely to be poor than heterosexual people, according to a new nationwide ...
Social Sciences
Jun 20, 2013
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Restaurant servers are more likely to give better service to patron types they believe are more inclined to tip well, a Wayne State University researcher has found, a principle that has significant consequences when African-Americans ...
Social Sciences
Mar 26, 2013
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A biological filter to remove estrogens from waste water and drinking water. The 15 Bielefeld students submitting this project to the 'international Genetically Engineered Machine competition' (iGEM) at the Massachusetts ...
Engineering
Jun 25, 2012
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New research has shown that happier orang-utans live longer which may shed light on the evolution of happiness in humans.
Plants & Animals
Jun 29, 2011
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How do females select partners? Darwin's initial idea that the fittest males would be the most desirable and would therefore be most likely to secure partners has represented a cornerstone of evolutionary theory since the ...
Plants & Animals
May 27, 2011
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An experienced fruit fly researcher can tell at a glance whether the fly she is observing is male or female; a distinct pigmentation pattern on a fly's body (a type of bristle found only on the legs of males) and differences ...
Plants & Animals
May 04, 2010
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A puzzle that has baffled scientists for centuries - why some birds appear to be male on one side of the body and female on the other - has been solved by researchers.
Plants & Animals
Mar 10, 2010
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A team of University of Minnesota researchers have discovered how PTTH, a hormone produced by the brain, controls the metamorphosis of juvenile insects into adults.
Cell & Microbiology
Dec 03, 2009
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There may be plenty of fish in the sea but the medaka knows what it likes. A new study published in the open access journal BMC Biology shows how a single gene mutation that turns Japanese Killifish a drab grey colour renders ...
Plants & Animals
Sep 28, 2009
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