New study reveals hidden neotropical diversity May 15, 2008 | User rating: 4 / 5 after 5 vote(s)
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Evidence of physically similar species hidden within plant tissues suggest that diversity of neotropical herbivorous insects may not simply be a function of plant architecture, but may also reflect the great age and area ... | |
 Scientists solve gravity-defying bird beak mystery May 15, 2008 | User rating: 4.1 / 5 after 16 vote(s)
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As Charles Darwin showed nearly 150 years ago, bird beaks are exquisitely adapted to the birds' feeding strategy. A team of MIT mathematicians and engineers has now explained exactly how some shorebirds use ... | |
Small primate ancestors had a leg up May 15, 2008 | User rating: 4.2 / 5 after 6 vote(s)
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Smaller primates expend no more energy climbing than they do walking, Duke University researchers have found. This surprising discovery may explain the evolutionary edge that encouraged the tiny ancestors of modern humans, ... | |
An ancient protein balances gene activity and silences foreign DNA in bacteria May 15, 2008 | User rating: 4.8 / 5 after 5 vote(s)
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Compared to humans, bacteria have a much tidier genome. The tiny microorganisms pack their genes closely together, and don’t carry around a lot of extraneous DNA, so-called junk DNA that fills in the gaps between genes. Some ... | |
Larger horns a gamble for young Soay sheep May 15, 2008 | User rating: not shown ( 3 vote(s) ) | User comments: 1
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. | |
Researchers document rapid, dramatic 'reverse evolution' in the threespine stickleback fish May 15, 2008 | User rating: 4 / 5 after 8 vote(s)
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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 ... | |
 Embryonic pathway delivers stem cell traits May 15, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet
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 ... | |
Plant biologists discover unexpected proteins affecting small RNAs May 15, 2008 | User rating: not shown ( 4 vote(s) ) | User comments: 1
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 ... | |
Immune cells kill foes by disrupting mitochondria 2 ways May 15, 2008 | User rating: not shown ( 4 vote(s) ) | User comments: 1
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 ... | |
New driver of brand extension success found by UM professor May 15, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet
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 in ... | |
Geneticists trace the evolution of St. Louis encephalitis May 15, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet
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 ... | |
Land tenure conflict in Kenya turning into strong inter-ethnic territorial claims May 15, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet
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. ... | |
Adding up business and energy May 15, 2008 | User rating: not shown ( 1 vote(s) ) | No comments yet
Could a business practice usually reserved for boosting profits be used to help turn companies green by reducing their energy use? Writing in the International Journal of Six Sigma and Competitive Advantage (IJSSCA), researchers ... | |
 Disgraced expert seeks funding for pet cloning firm: scientist May 15, 2008 | User rating: not shown ( 2 vote(s) ) | No comments yet
South Korea's disgraced cloning expert Hwang Woo-Suk is seeking foreign investors for his new pet cloning business, a scientist close to him said Thursday. | |
Sea lions likely died from the heat May 15, 2008 | User rating: 3.4 / 5 after 5 vote(s)
| User comments: 2
(AP) -- The deaths of six sea lions found in traps on the Columbia River earlier this month were likely caused by the heat, and not by gunshots as officials first suspected, the National Marine Fisheries Service said. | |
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