News tagged with genetic fitness
Saving wildlife with forensic genetics
Wildlife face many threats with spreading urbanization, including habitat loss and inbreeding when populations become fragmented and isolated. It doesn't help that there is a billion-dollar international industry ...
Jun 08, 2011 |
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Hormonal birth control alters scent communication in primates
Hormonal contraceptives change the ways captive ring-tailed lemurs relate to one another both socially and sexually, according to a Duke University study that combined analyses of hormones, genes, scent chemicals and behavior.
Jul 27, 2010 |
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Studies examine how living conditions impact reproductive health
When costs outweigh benefits, successful pregnancies are less likely to occur.
Sep 28, 2009 |
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Are you the next Usain Bolt? The answer could be in your saliva
(PhysOrg.com) -- Scientists at Newcastle University are launching a ground-breaking study to find out why some of us can run faster than others - despite doing the same amount of training.
Aug 20, 2009 |
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Search results for genetic fitness
Researchers determine structure of 'batteries' of the biological clock
Howard Hughes Medical Institute scientists have determined the three-dimensional structure of two proteins that help keep the body's clocks in sync. The proteins, CLOCK and BMAL1, bind to each other to regulate the activity ...
19 hours ago |
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Sex: it's a good thing, evolutionarily speaking
(Phys.org) -- Sure, sex may be fun, but it’s a lot of work, and the payoff is by no means certain. Scientists have speculated for a long time on why all living things don’t simply make like amoebas ...
May 30, 2012 |
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Human-like spine morphology found in aquatic eel fossil
For decades, scientists believed that a spine with multiple segments was an exclusive feature of land-dwelling animals. But the discovery of the same anatomical feature in a 345-million-year-old eel suggests ...
May 23, 2012 |
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Tracking endangered elephants with satellite technology
A hundred years ago wild elephants on the Malay Peninsular could be counted in their thousands — now there are less than 1500. Over the last century around 50 per cent of forest cover in Peninsular Malaysia ...
May 23, 2012 |
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Mapping the genomes of crocodiles and alligators -- It's not for the faint of heart
(Phys.org) -- David Ray never turns his back on his research, and with good reason! "If it can't bite you, it's not interesting," he jokes.
May 22, 2012 |
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Genetic safety in numbers, platypus study finds
(Phys.org) -- Platypuses on the Australian mainland and in Tasmania are fighting fit but those on small islands are at high risk of being wiped out from disease, according to a University of Sydney study.
May 18, 2012 |
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Scientists illuminate the ancient history of circumarctic peoples
Two studies led by scientists from the University of Pennsylvania and National Geographic's Genographic Project reveal new information about the migration patterns of the first humans to settle the Americas. The studies identify ...
Other Sciences / Archaeology & Fossils
May 17, 2012 |
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Genetic packing: Successful stem cell differentiation requires DNA compaction, study finds
(Phys.org) -- New research findings show that embryonic stem cells unable to fully compact the DNA inside them cannot complete their primary task: differentiation into specific cell types that give rise to ...
May 11, 2012 |
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Living longer -- variability in infection-fighting genes can be a boon for male survival
Females of mammals (including humans) tend to outlive males, a circumstance that is usually attributed to males´ more aggressive and hence energy-depleting behaviour, especially when they compete for females. This might ...
May 11, 2012 |
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Barley takes a leaf out of reindeer's book in the land of the midnight sun
Barley grown in Scandinavian countries is adapted in a similar way to reindeer to cope with the extremes of day length at high latitudes. Researchers have found a genetic mutation in some Scandinavian barley ...
May 11, 2012 |
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List of search results for genetic fitness
