Notch – the protein that can help determine cell fate – maintains a stable population of basal cells in the prostate through a positive feedback loop system with another key protein – TGF beta (transforming growth factor ...
Cell & Microbiology
Nov 1, 2012
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A new species of coelacanth fish has been discovered in Texas.
Archaeology
Oct 24, 2012
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Researchers from China's Fudan University have found major prehistoric human population expansions may have begun before the Neolithic period, which probably led to the introduction of agriculture.
Archaeology
Oct 19, 2012
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Dramatic shifts in the planet's climate and geography over millions of years changed the course of evolutionary history for conifer trees, according to a Yale paper in the Proceedings of the National Academy of Sciences.
Plants & Animals
Oct 4, 2012
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It takes at least 10 times as many generations for a mouse to reach elephantine proportions as for the reverse transition, reveals a vast study of mammalian evolution over the past 70 million years.
Evolution
Oct 3, 2012
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(Phys.org)—Researchers announced today that the results of a decade-long study has shown that the northern Mozambique Channel has the highest diversity of corals in the central, northern and western Indian Ocean. The researchers ...
Environment
Sep 20, 2012
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Evolutionary relationships among a group of arthropods from Gondwana, a supercontinent that existed between 510 and 180 million years ago, were investigated by EU scientists using molecular sequencing technology. The results ...
Ecology
Sep 17, 2012
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Double flowers—though beautiful—are mutants. The genetic interruption that causes that mutation previously helped scientists pinpoint the genes for normal development of flower sexual organs in Arabidopsis thaliana. Now ...
Evolution
Sep 4, 2012
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(Phys.org) -- The most common lineages of fish found today in oceans, lakes, and rivers evolved about the same time as mammals and birds, a new Yale University-led study shows.
Plants & Animals
Aug 7, 2012
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A study by the Genographic Project has shown that not all individuals carrying the Romanian "Basarab" surname, the first dynasty of Wallachian kings that included the real-life Dracula, can be direct biological descendants ...
Biotechnology
Jul 26, 2012
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