News tagged with human populations

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Study shows competition, not climate change, led to Neanderthal extinction

Other Sciences / Archaeology & Fossils

created Dec 29, 2008 | popularity 4.6 / 5 (10) | comments 4

In a recently conducted study, a multidisciplinary French-American research team with expertise in archaeology, past climates, and ecology reported that Neanderthal extinction was principally a result of competition with ...


Despite their diversity, pygmies of Western Central Africa share recent common ancestors

Biology /

created Feb 05, 2009 | popularity 4.5 / 5 (4) | comments 0

Despite the great cultural, physical, and genetic diversity found amongst the numerous West Central African human populations that are collectively designated as "Pygmies," a report published online on February 5th in Current Bi ...


Mate selection more biologically determined in some human populations

Biology /

created Sep 12, 2008 | popularity 4.7 / 5 (10) | comments 0

Some human populations may rely on biological factors in addition to social factors when selecting a mate. In a recent study, published September 12 in the open-access journal PLoS Genetics, scientists in China, France, and th ...





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Geography and history shape genetic differences in humans

Medicine & Health / Genetics

created Jun 05, 2009 | popularity 3.8 / 5 (4) | comments 0

New research indicates that natural selection may shape the human genome much more slowly than previously thought. Other factors -- the movements of humans within and among continents, the expansions and contractions of populations, ...


Study finds human population expanded during late Stone Age

Biology / Evolution

created Jul 29, 2009 | popularity 4.3 / 5 (3) | comments 5

Genetic evidence is revealing that human populations began to expand in size in Africa during the Late Stone Age approximately 40,000 years ago. A research team led by Michael F. Hammer (Arizona Research Laboratory's Division ...


Australia discovered by the 'Southern Route'

Biology / Evolution

created Jul 21, 2009 | popularity 3.8 / 5 (9) | comments 1

Genetic research indicates that Australian Aborigines initially arrived via south Asia. Researchers writing in the open access journal BMC Evolutionary Biology have found telltale mutations in modern-day Indian populations that a ...


Gene linked with human kidney aging

Medicine & Health / Genetics

created Oct 16, 2009 | popularity not rated yet | comments 0

A gene has been associated with human kidney aging, according to researchers from Stanford University, the National Institute on Aging, the MedStar Research Institute, and the HudsonAlpha Institute for Biotechnology. In work ...


Study links selection for pathogen-resistance with increased risk for inflammatory disease

Medicine & Health / Genetics

created Aug 06, 2009 | popularity 5 / 5 (1) | comments 0

New research reveals that a simple laboratory assay detects a genetic variation in host response to bacterial infection that is associated with an increased susceptibility for inflammatory disease. The study, published by ...


Altered micriobiome prevalent in the diseased esophagus

Medicine & Health / Cancer

created Aug 01, 2009 | popularity 5 / 5 (1) | comments 0

Gastroesophageal reflux diseases , or GERD, affects about 10 million people in the United States, yet the cause and an unexpected increase in its prevalence over the last three decades remains unexplainable. Now, researchers ...


curly hair

Single gene may cause curly hair

Medicine & Health / Genetics

created Nov 10, 2009 | popularity 4.4 / 5 (8) | comments 0

(PhysOrg.com) -- Scientists in Australia have identified a single gene that strongly influences whether you have curly or straight hair.


Sick fish may get sicker: Climate change and other stresses expected to affect entire populations of fish

Biology / Ecology

created Aug 03, 2009 | popularity 3 / 5 (2) | comments 0

Entire populations of North American fish already are being affected by several emerging diseases, a problem that threatens to increase in the future with climate change and other stresses on aquatic ecosystems, according ...


Why sex with a partner is better (w/ Video)

Why sex with a partner is better (w/ Video)

Biology / Evolution

created Oct 21, 2009 | popularity 3.4 / 5 (18) | comments 1

(PhysOrg.com) -- OK, it takes two for human reproduction, and now it seems that plants and animals that can rely on either a partner or go alone by self-fertilization give their offspring a better chance for ...


Lyme disease is spreading in Canada, and physicians are crucial in helping minimize its impact

Medicine & Health / Diseases

created Jun 08, 2009 | popularity not rated yet | comments 0

Lyme disease is emerging in Canada, and is expected to increase with climate change, but effective, enhanced surveillance and clinician awareness will be key to minimizing the impact of the disease, write researchers in a ...



List of search results for human populations