Out of the estimated 23,000 or more genes in the human genome, about 100 of them will differ—they will be present or not—between any two individuals. Genes lost or gained over time result from evolution and adaptation, ...
Biotechnology
Aug 9, 2013
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The giant water bug Lethocerus patruelis is the largest European true bug and the largest European water insect. The adult bugs reach an impressive 8 cm in length, and the largest representatives of the same family are even ...
Plants & Animals
Jul 31, 2013
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Someone finds that piece of chewing gum you pitched today, uses the saliva to sequence your DNA and surreptitiously reads your book of life—including genetic secrets like your susceptibility to diseases. If that scenario, ...
Biotechnology
Jun 26, 2013
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Spit. Drool. Dribble. Saliva is not normally a topic of polite conversation, but it may be the key to explaining the age and sex bias exhibited by influenza and other diseases, according to a new study. Published in ACS' ...
Biochemistry
Jun 12, 2013
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In an advance toward solving a 50-year-old mystery, scientists are reporting new evidence on how the fluoride in drinking water, toothpastes, mouth rinses and other oral-care products prevents tooth decay. Their report appears ...
Biochemistry
May 1, 2013
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(Phys.org) —We've all heard it before: if a guy is made to feel less than manly, he'll act even more macho to make up for it. Now, new research suggests that this behavior may have something to do with how much testosterone ...
Social Sciences
Apr 17, 2013
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Fighting viruses is a regular battle for your body, one it routinely wins if it has a healthy immune system. But compromised systems, as experienced occasionally by astronauts during space flights, can allow viruses to return.
Space Exploration
Apr 5, 2013
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A research team at the University of Guelph has developed a new line of transgenic "Enviropigs." The new line of pigs is called the Cassie line, and it is known for passing genes on more reliably. The results of this project ...
Plants & Animals
Mar 7, 2013
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(AP)—University of Iowa student Bakir Hajdarevic (BOCK-heer hye-dar-vich) didn't have to study for the most important test in his genetics class. He just had to spit.
Other
Feb 27, 2013
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(Phys.org)—It is well known that horses show symptoms of stress when ridden but relatively little attention has been paid to the effects on their riders. This is surprising, as equestrian sports rely on the close cooperation ...
Plants & Animals
Feb 19, 2013
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