News tagged with biological
The narrow line between love and jealousy
Medicine & Health / Psychology & Psychiatry
Nov 12, 2009 |
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A new study carried out at the University of Haifa has found that the hormone oxytocin, the "love hormone", which affects behaviors such as trust, empathy and generosity, also affects opposite behaviors, such as jealousy ...
Warm-blooded dinosaurs worked up a sweat
Nov 11, 2009 |
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(PhysOrg.com) -- Were dinosaurs endothermic (warm-blooded) like present-day mammals and birds or ectothermic (cold-blooded) like present-day lizards? The implications of this simple-sounding question go beyond ...
Researchers to develop novel drug detection technology using software that acts like a robotic scientist
Chemistry / Analytical Chemistry
Nov 09, 2009 |
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(PhysOrg.com) -- Every time a person snorts cocaine, it doesn’t just go to his or her head: It also provokes a response in the immune system, creating special biomolecules that may serve as a permanent record of each exposure.
Connection between depression and osteoporosis detailed
Medicine & Health / Psychology & Psychiatry
Nov 09, 2009 |
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Research carried out among thousands of people has shown a clear connection between depression and a loss of bone mass, leading to osteoporosis and fractures.
Climate Change, Nitrogen Loss Threaten Plant Life in Arid Desert Soils
Nov 05, 2009 |
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(PhysOrg.com) -- In the Mojave Desert winds howl across this hottest place in North America, blowing sands across Death Valley and through empty ghost towns, swirling across treeless land for hundreds of miles. ...
Melatonin, a hormone segregated by human body, regulates sleep better than somniferous
Nov 05, 2009 |
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Melatonin, a natural hormone segregated by the own human body, is an excellent sleep regulator expected to replace somniferous, which are much more aggressive, to correct the sleep/wakefulness pace when human biological clock ...
Termites? gut reactions show how to improve renewable fuel, researchers say
Nov 04, 2009 |
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(PhysOrg.com) -- Termite damage costs the U.S. more than $1 billion each year, but that same destructive power might help solve one of the nation’s most pressing economic quandaries: sustainable fuel production.
New study further disputes notion that amputee runners gain advantage from protheses
Nov 04, 2009 |
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A study by six researchers, including a University of Colorado at Boulder associate professor and his former doctoral student, shows that amputees who use running-specific prosthetic legs have no performance ...
Mobile microscopes illuminate the brain
Nov 03, 2009 |
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(PhysOrg.com) -- By building a tiny microscope small enough to be carried around on a rats' head, scientists at the Max Planck Institute for Biological Cybernetics in Tübingen, Germany, have found a way to ...
Bacteria 'invest' wisely to survive uncertain times, scientists report
Nov 02, 2009 |
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Like savvy Wall Street money managers, bacteria hedge their bets to increase their chances of survival in uncertain times, strategically investing their biological resources to weather unpredictable environments.
Study reveals a 'missing link' in immune response to disease (w/ Video)
Nov 02, 2009 |
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The immune system's T cells have the unique responsibilities of being both jury and executioner. They examine other cells for signs of disease, including cancers or infections, and, if such evidence is found, ...
New therapy gives hope for very severe depression
Medicine & Health / Psychology & Psychiatry
Nov 02, 2009 |
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Thanks to a new method there is a reason for hope for patients with very severe depression. German physicians at the University Clinics of Bonn and Cologne have treated ten patients with deep brain stimulation. ...
Why do animals, especially males, have so many different colors?
Oct 31, 2009 |
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(PhysOrg.com) -- In new research, UCLA scientists claim that "secondary sexual traits" like coloring may let animals know which species to avoid fighting.
JAX publishes online tool for exploring autoimmune disease gene networks
Oct 29, 2009 |
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Currently, 5-8% of the U.S. population is afflicted with an autoimmune disease. Many of these are chronic and require life-long care. Moreover, different autoimmune diseases aggregate within a single family, ...
The importance of grandmothers in the lives of their grandchildren
Oct 29, 2009 |
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(PhysOrg.com) -- It is widely believed that women live long post-reproductive lives to help care for their grandchildren. According to the "Grandmother Hypothesis," post-menopausal women can increase their ...
