When it comes to winning mates, larger horns are an asset for male Soay sheep. But those that grow them may be putting their young lives on the line, according to a study published online on May 15th in Current Biology.
May 15, 2008
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Evolution is supposed to inch forward over eons, but sometimes, at least in the case of a little fish called the threespine stickleback, the process can go in relative warp-speed reverse, according to a study led by researchers ...
May 15, 2008
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Studies of how cancer cells spread have led to a surprising discovery about the creation of cells with adult stem cell characteristics, offering potentially major implications for regenerative medicine and for cancer treatment.
May 15, 2008
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Now that high school biology students can recite that genes are made of DNA, which is transcribed into messenger RNA (mRNA), which is then translated into protein, along comes a new class of molecules, sending students—and ...
May 15, 2008
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When killer T cells of the immune system encounter virus-infected or cancer cells, they unload a lethal mix of toxic proteins that trigger the target cells to self-destruct. A new study shows T cells can initiate cellular ...
May 15, 2008
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Technology that could someday “MapQuest” Mars and other bodies in the solar system is under development at Rochester Institute of Technology’s Rochester Imaging Detector Laboratory (RIDL), in collaboration with Massachusetts ...
Engineering
May 15, 2008
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Brand extensions, like Jeep’s strollers, Maxim’s hair color, or Apple’s iTunes are lucrative ways that a brand can increase its revenue and customer base-or confuse and alienate them. In an increasingly borderless world ...
Other
May 15, 2008
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Fishermen hold empirical knowledge that tuna aggregate under floating objects, such as lengths of old rope, pieces of wood, or even large marine mammals. There is still no full explanation for this aggregation behaviour, ...
Environment
May 15, 2008
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Before West Nile virus arrived in this country, we had (and still have) a home-grown relative of this pathogen. An epidemic of unknown origin exploded around St. Louis, Missouri in the autumn of 1933, a disease that is now ...
May 15, 2008
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North-West Kenya's Mount Elgon district has since the 1970s been the arena of a lurking land access conflict which boiled up at the very heart of the Sabaot community, the majority ethnic group in that part of the country. ...
Other
May 15, 2008
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