News tagged with mated females
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New tool in the fight against mosquito-borne disease: A microbial 'mosquito net'
Dec 24, 2009 |
4.8 / 5 (5) |
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Earlier this year, researchers showed that they could cut the lives of disease-carrying mosquitoes in half by infecting them with a bacterium they took from fruit flies. Now, a new report in the December 24th issue of Cell, ...
Researchers reveal secrets of duck sex: It's all screwed up
Dec 23, 2009 |
3.9 / 5 (11) |
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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 ...
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 |
4.5 / 5 (2) |
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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 ...
New study finds gender divide in children's use of cell phone features (w/ Video)
Other Sciences / Social Sciences
Dec 17, 2009 |
3 / 5 (3) |
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It's a given that many children will ask their parents for cell phones this Christmas. Now, a recent study by University of Alabama at Birmingham (UAB) sociologist Shelia Cotten, Ph.D., finds that the way the kids will use ...
Exposure to young triggers new neuron creation in females exhibiting maternal behavior
Medicine & Health / Neuroscience
Dec 17, 2009 |
5 / 5 (2) |
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Maternal behavior itself can trigger the development of new neurons in the maternal brain independent of whether the female was pregnant or has nursed, according to a study released by researchers at Tufts University's Cummings ...
Small Fingers More Touch Sensitive
Medicine & Health / Neuroscience
Dec 16, 2009 |
4.7 / 5 (3) |
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When it comes to finger sensitivity, bigger isn't always better.
Biologist Shows Female Birds of a Feather Compete Together
Dec 15, 2009 |
5 / 5 (2) |
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(PhysOrg.com) -- With its flamboyantly decorated plumage, the peacock is a classic example of how males among many bird species are more visually eye-catching than their female partners. But new research, ...
Gene identified as cause of some forms of intellectual disability
Dec 15, 2009 |
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A gene involved in some forms of intellectual disability has been identified by scientists at the Centre for Addiction and Mental Health (CAMH), as published this month in The American Journal of Human Genetics. The gene i ...
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