(Phys.org)—In the November issue of the journal Molecular Ecology, a U.S. and Brazilian research team reported evidence of novel and hybrid strains of a lethal fungus that has decimated amphibian popula ...
Nov 20, 2012
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With a mate and a nest to protect, the male threespined stickleback is a fierce fish, chasing and biting other males until they go away.
Nov 15, 2012
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(Phys.org)—New findings suggest that the ecology of blue whales (Balaenoptera musculus) – the largest living animal – has recently changed due to human activities. A team lead by researchers at Mac ...
Nov 14, 2012
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A group of researchers led by the Universitat Autonoma de Barcelona (UAB) has discovered the first scientific evidence of genetic blending between Europeans and Asians in the remains of ancient Scythian warriors ...
Nov 12, 2012
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The timing of flowering in plants is critical. It can have profound effects on flower, fruit, and seed production, and consequently agricultural yields. This process is known to depend on daylight and temperature ...
Nov 11, 2012
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Researchers at the University of Illinois at Chicago College of Medicine have developed a transgenic mouse that carries a human gene known to increase risk of Alzheimer's 15-fold. This new mouse mimics the ...
Nov 08, 2012
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New evidence shows there is no cross-breeding between endangered manatees in Puerto Rico and those in Florida, resulting in less genetic diversity in Puerto Rico's small manatee population and impacting its odds of survival.
Oct 26, 2012
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A species relies on genetic diversity to survive and low diversity usually indicates that there has been inbreeding due to a decrease in population size. By looking at historic mitochondrial DNA (mtDNA) from ...
Oct 23, 2012
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Since 1859, when Darwin's classic work "On the Origin of Species" was published, we have known that populations change over the course of time. The ability to adapt to changing surroundings is the basis ...
Oct 19, 2012
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Sumatran orangutans have undergone a substantial recent population decline, according to a new genetic study, but the same research revealed the existence of critical corridors for dispersal migrations that, ...
Oct 16, 2012
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(Phys.org)—When ancestral humans walked out of Africa tens of thousands of years ago, Drosophila melanogaster fruit flies came along with them. Now the fruit flies, widely used for genetics research, are ...
Oct 12, 2012
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(Phys.org)—A team of international researchers has provided the first comprehensive DNA evidence that the Addis Ababa lion in Ethiopia is genetically unique and is urging immediate conservation action to preserve this vulnerable ...
Oct 11, 2012
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To discover why Neandertals are most closely related to people outside Africa, Harvard and Max Planck Institute scientists have estimated the date when Neandertals and modern Europeans last shared ancestors. The research, ...
Oct 04, 2012
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(Phys.org)—Research indicates the out-of-Africa spread of humans was dictated by the appearance of favourable climatic windows.
Sep 17, 2012
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