The human gut is home to trillions of bacteria, many of which play an important role in helping the body strike a healthy balance. In the gut, bacteria are involved in the synthesis of vitamins, as well as metabolizing bile ...
Cell & Microbiology
Sep 12, 2013
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Major League Baseball's ongoing steroid controversy is threatening the legacy of the sport and the validity of its well-respected history, but what kind of impact is it having behind teams' closed clubhouse doors?
Economics & Business
Aug 22, 2013
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If one wants to better understand how plants grow, one must analyse the chemistry of life in its molecular detail. Michael Hothorn from the Friedrich-Miescher-Laboratory of the Max Planck Society in Tübingen and his team ...
Cell & Microbiology
Aug 8, 2013
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Looking at the transformation of a fly larva into a pupa may help researchers to understand the molecular mechanisms that trigger puberty. A study conducted on the fruit fly, Drosophila melanogaster, by scientists at the ...
Cell & Microbiology
Mar 7, 2013
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The gonad is well known to be important for reproduction but also affects animal life span. Removal of germ cells – the sperm and egg producing cells – increases longevity of the roundworm Caenorhabditis elegans. However, ...
Cell & Microbiology
Dec 17, 2012
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(Phys.org)—In male songbirds of the temperate zone, the concentration of sex hormones is rising in spring, which leads to an increase in song activity during the breeding season. In the tropics, there has been little evidence ...
Plants & Animals
Oct 31, 2012
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Light is not only the source of a plant's energy, but also an environmental signal that instructs the growth behavior of plants. As a result, a plant's sensitivity to light is of great interest to scientists and their research ...
Cell & Microbiology
Jul 22, 2012
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Researchers at the IRCM, led by geneticist Dr. Jacques Drouin, recently defined the interaction between two essential proteins that control inflammation. This important breakthrough will be published in tomorrow's print edition ...
Cell & Microbiology
Jul 12, 2012
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An Indiana University biologist has shown that natural variation in measures of the brain's ability to process steroid hormones predicts functional variation in aggressive behavior.
Plants & Animals
Jun 6, 2012
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Plants leaves are sealed with a gas-tight wax layer to prevent water loss. Plants breathe through microscopic pores called stomata (Greek for mouths) on the surfaces of leaves. Over 40% of the carbon dioxide, CO2, in the ...
Biotechnology
Feb 5, 2012
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