Plants can't swat a bug or run away from one, but that doesn't mean that plants can't fight back. Plants have evolved unique and sophisticated immune systems to defend themselves against insects and pathogens. ...
22 hours ago
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(PhysOrg.com) -- There are over 1100 species of Pheidole genus ants, and most individual ants belong to either the worker or soldier caste. In only eight of the Pheidole species, some individuals can belong ...
Jan 06, 2012
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An international team of scientists led by Gregg Adams at the University of Saskatchewan has discovered that a protein in semen acts on the female brain to prompt ovulation, and is the same molecule that ...
Aug 20, 2012
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Until now it has not been clear how salt, a scourge to agriculture, halts the growth of the plant-root system. A team of researchers, led by the Carnegie Institution's José Dinneny and Lina Duan, found that ...
Jan 23, 2013
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Science has known about plant hormones since Charles Darwin experimented with plant shoots and showed that the shoots bend toward the light as long as their tips, which are secreting a growth hormone, aren't ...
Jun 18, 2012
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It has been long known that stress plays a part not just in the graying of hair but in hair loss as well. Over the years, numerous hair-restoration remedies have emerged, ranging from hucksters' "miracle solvents" ...
Feb 16, 2011
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(Phys.org)—Paleopathologist Simona Minozzi and her team working at the University of Pisa, have published a paper in the Journal of Clinical Endocrinology and Metabolism describing the skeletal remains of a R ...
Nov 19, 2012
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Research led by St. Jude Children's Research Hospital scientists advances a strategy for taming the side effects and enhancing the therapeutic benefits of steroids and other medications that work by disrupting the activity ...
Oct 21, 2011
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(Phys.org)—Scientists at The University of Manchester have identified how a plant hormone can affect the rate of cell division in vascular tissue in plants. The findings demonstrate how the hormone controls ...
Nov 14, 2012
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A 22-year study of abnormally short individuals suggests that growth-stunting mutations also may stunt two of humanity's worst diseases.
Feb 16, 2011
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A honey bee becomes a royal queen or a common worker as a result of the food she receives as a larva. While it has been well established that royal jelly is the diet that makes bees queens, the molecular path ...
Nov 10, 2011
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(PhysOrg.com) -- University of Michigan researchers have uncovered molecular signals that regulate catch-up growth -- the growth spurt that occurs when normal conditions are restored after a fetus, young animal or child has ...
Jan 27, 2011
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Scientists from NPL's Biotechnology group have developed a new strategy to enable quicker and more precise detection of biomarkers - proteins which indicate disease. The work marks a new research direction ...
Sep 02, 2010
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People profoundly deficient in human growth hormone (HGH) due to a genetic mutation appear to live just as long as people who make normal amounts of the hormone, a new study shows. The findings suggest that HGH may not be ...
Jan 26, 2010
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According to a new study accepted for publication in The Endocrine Society's Journal of Clinical Endocrinology & Metabolism (JCEM), older men with high levels of the hormone IGF-I (insulin-like growth factor 1) are at inc ...
Mar 01, 2010
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