News tagged with mature males
Ladyboy lizards use transvestite trickery: researchers
Mar 03, 2009 |
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Young male lizards in South Africa imitate females to fool aggressive older males into leaving them alone, in an example of transvestism in the natural world, researchers have found.
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Researchers reveal secrets of duck sex: It's all screwed up
14 hours ago |
3.7 / 5 (9) |
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Female ducks have evolved an intriguing way to avoid becoming impregnated by undesirable but aggressive males endowed with large corkscrew-shaped penises: vaginas with clockwise spirals that thwart oppositely ...
New human reproductive hormone could lead to novel contraceptives
Dec 22, 2009 |
4.5 / 5 (4) |
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(PhysOrg.com) -- Nearly 10 years after the discovery that birds make a hormone that suppresses reproduction, University of California, Berkeley, neuroscientists have established that humans make it too, opening ...
Dispatcher-assisted bystander CPR best choice for possible cardiac arrest signs
Dec 22, 2009 |
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Dispatchers should assertively give cardiopulmonary resuscitation (CPR) instructions to bystanders who suspect someone is in cardiac arrest because the benefits from correctly recommending CPR for someone who needs it greatly ...
Growing evidence suggests progesterone should be considered a treatment option for traumatic brain injuries
Dec 22, 2009 |
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Researchers at Emory University in Atlanta, GA, recommend that progesterone (PROG), a naturally occurring hormone found in both males and females that can protect damaged cells in the central and peripheral nervous systems, ...
Meddling in mosquitoes' sex lives could help stop the spread of malaria, says study
Dec 22, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- Stopping male mosquitoes from sealing their sperm inside females with a 'mating plug' could prevent mosquitoes from reproducing, and offer a potential new way to combat malaria, say scientists ...
Microcephaly genes associated with human brain size
Dec 21, 2009 |
3.7 / 5 (3) |
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A group of Norwegian and American researchers have shown that common variations in genes associated with microcephaly - a neuro-developmental disorder in which brain size is dramatically reduced - may explain differences ...
A New Method of Estimating Stellar Distances
Dec 21, 2009 |
4.4 / 5 (14) |
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(PhysOrg.com) -- The star Chi Cygni is located about 550 light-years away, in the direction of the constellation of Cygnus the Swan. It is a notable star because, unlike the sun which still burns hydrogen ...
Hollywood adds money, talent to made-for-Web shows
Dec 20, 2009 |
1.5 / 5 (2) |
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(AP) -- Web sites that buy original video clips often pay so little that "The Bannen Way," a flashy crime thriller debuting online, looked destined to be made poorly if it could be made at all.
Video game watchdog shuts down, victim of economy
Dec 18, 2009 |
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(AP) -- David Walsh said when he was assembling his first report card on video game violence 13 years ago, children were attacking on-screen monsters or aliens with imaginary chain saws and guns.
How the daisy got its spots... and why
Dec 18, 2009 |
4.5 / 5 (2) |
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Dark spots on flower petals are common across many angiosperm plant families and occur on flowers such as some lilies, orchids, and daisies. Much research has been done on the physiological and behavioral ...
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