Evolution by definition is cold and merciless: it selects for success and weeds out failure. It seems only natural to expect that such a process would simply favour genes that help themselves and not others. Yet cooperative ...
Mathematics
Jun 8, 2012
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In a study published in the journal Cell on May 24, Cold Spring Harbor Laboratory (CSHL) scientists describe the three-dimensional atomic structure of a human protein bound to a piece of RNA that "guides" the protein's ability ...
Cell & Microbiology
May 25, 2012
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Large numbers of people moved between Africa and Europe during recent and well-documented time periods such as the Roman Empire, the Arab conquest, and the slave trade, and genetic evidence of these migrations lives on in ...
Evolution
Mar 26, 2012
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Researchers at Albert Einstein College of Medicine of Yeshiva University have discovered the first known mechanism by which cells control the survival of messenger RNA (mRNA) -- arguably biology's most important molecule. ...
Cell & Microbiology
Dec 22, 2011
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(PhysOrg.com) -- Researchers from UQ's Institute for Molecular Bioscience (IMB), Harvard University and RocheNimblegen Inc. have developed a new method for examining genetic information that reveals clues to understanding ...
Biotechnology
Nov 14, 2011
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(PhysOrg.com) -- Scientists of many varied backgrounds have been hard at work in recent years trying to figure out a way to control the intricate processes that go on in cells so as to allow them to manipulate them to do ...
Knowledge about the development of the nervous system is of the greatest importance for us to understand the function of the brain and brain disorders. Researchers at Uppsala University have examined the key step when genes ...
Cell & Microbiology
Nov 7, 2011
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(PhysOrg.com) -- New research published today in Nature Communications online journal suggests that monogamy and close genetic relationships work together to enhance the cooperative social structure of insects such as bees, ...
Plants & Animals
Jul 20, 2011
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(PhysOrg.com) -- The brains of all vertebrates display gender-related differences. In songbirds, for example, the size of the brain areas that control their singing behaviour could be linked to the size of their song repertoires. ...
Plants & Animals
Jun 13, 2011
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(PhysOrg.com) -- People have only 20,000 to 30,000 genes (the number is hotly contested), but they use those genes to make more than 2 million proteins. It's the protein molecules that domost of the work in the human cell. ...
Biochemistry
Jan 10, 2011
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