News tagged with centenarian offspring
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Variable Temperatures Leave Insects wtih a Frosty Reception
Nov 25, 2009 |
4 / 5 (1) |
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(PhysOrg.com) -- For the first time, scientists at The University of Western Ontario have shown that insects exposed to repeated periods of cold will trade reproduction for immediate survival.
Are female mountain goats sexually conflicted over size of mate?
Nov 17, 2009 |
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Mountain goats are no exception to the general rule among mammals that larger males sire more and healthier offspring. But University of Alberta researcher David Coltman has found a genetic quirk that might make female mountain ...
Superior offspring without genetic modification
Dec 08, 2009 |
4.5 / 5 (2) |
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We don't always turn out like our parents. Sometimes we become even better. How this happens is the subject of a new research project at the University of Gothenburg.
Ladybugs taken hostage by wasps
Nov 17, 2009 |
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Are ladybugs being overtaken by wasps? A Université de Montréal entomologist is investigating a type of wasp (Dinocampus coccinellae) present in Quebec that forces ladybugs (Coccinella maculata) ...
Whiteflies sabotage alarm system of plant in distress
Nov 26, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- When spider mites attack a bean plant, the plant responds by producing odours which attract predatory mites. These predatory mites then exterminate the spider mite population, thus acting ...
Many pregnant women avoid HIV screening in Africa
Medicine & Health / HIV & AIDS
Nov 19, 2009 |
1.5 / 5 (2) |
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'Prevention is the best cure' is a common expression, but what happens if preventative measures are not used? A large proportion of pregnant Ugandan women are going out of their way not to be HIV tested, increasing the risk ...
Scientists show that female fruit flies can be 'too attractive' to males
Dec 08, 2009 |
4.7 / 5 (3) |
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Females can be too attractive to the opposite sex -- too attractive for their own good -- say biologists at UC Santa Barbara. They found that, among fruit flies, too much male attention directed toward attractive ...
Scientists unlock clues for tailoring corn plant for food, energy needs
Nov 19, 2009 |
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(PhysOrg.com) -- Scientists have long known that the offspring of two inbred strains tend to be superior to both their parents. Now, a team of researchers including a University of Florida geneticist has discovered clues ...
Microbes help mothers protect kids from allergies
Dec 07, 2009 |
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A pregnant woman's exposure to microbes may protect her child from developing allergies later in life. Researchers in Marburg, Germany find that exposure to environmental bacteria triggers a mild inflammatory response in ...
For fish, bigger doesn’t always mean healthier
Nov 17, 2009 |
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(PhysOrg.com) -- Female smallmouth bass tend to prefer bigger male mates, but bigger doesn’t necessarily mean healthier. That’s the finding of a new study in the latest issue of Physiological and Biochemical Zoology that i ...
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