Search results for extremely preterm
Critical protein helps mend damaged DNA
Dec 24, 2009 |
4.3 / 5 (3) |
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In order to preserve our DNA, cells have developed an intricate system for monitoring and repairing DNA damage. Yet precisely how the initial damage signal is converted into a repair response remains unclear. Researchers ...
Citrus surprise: Vitamin C boosts the reprogramming of adult cells into stem cells
Dec 24, 2009 |
4.8 / 5 (26) |
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Famous for its antioxidant properties and role in tissue repair, vitamin C is touted as beneficial for illnesses ranging from the common cold to cancer and perhaps even for slowing the aging process. Now, ...
Sun and moon trigger deep tremors on San Andreas Fault
Space & Earth / Earth Sciences
Dec 23, 2009 |
4 / 5 (4) |
1
The faint tug of the sun and moon on the San Andreas Fault stimulates tremors deep underground, suggesting that the rock 15 miles below is lubricated with highly pressurized water that allows the rock to slip with little ...
Vampires and collisions rejuvenate stars
Dec 23, 2009 |
4.3 / 5 (9) |
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Stars in globular clusters are generally extremely old, with ages of 12-13 billion years. However, a small fraction of them appear to be significantly younger than the average population and, because they ...
Physician-assisted suicide: A perspective from advocates for people with disability
Dec 23, 2009 |
3 / 5 (3) |
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Although public opinion in the United States on physician-assisted suicide is evenly divided, about half of states have either defeated bills to legalize assisted suicide or have passed laws explicitly banning it and only ...
Adjusting acidity with impunity
Chemistry / Analytical Chemistry
Dec 22, 2009 |
4.5 / 5 (2) |
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(PhysOrg.com) -- How do individual cells or proteins react to changing pH levels? Researchers at the MESA+ Institute for Nanotechnology at the University of Twente, The Netherlands, have developed a technique ...
Nobel Physics laureates undeserving, colleagues say: report
Dec 22, 2009 |
3.5 / 5 (8) |
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Former colleagues of two American scientists who won the 2009 Nobel physics prize say the winners, Willard Boyle and George Smith, did not deserve the award, Canada's Globe and Mail reported Tuesday.
Sniffing out clues to dogs' compulsive behavior
Dec 22, 2009 |
3.8 / 5 (4) |
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(PhysOrg.com) -- At first glance, a dog chasing its tail seems a harmless, if fruitless, pursuit. But for many dogs and their owners, the habit has a dark side, one that means endless hours and energy spent ...
Understanding relationship of proteins, fatty acids could help treat diseases
Dec 22, 2009 |
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(PhysOrg.com) -- It's widely understood that eating a diet high in saturated fats increases the risk for a long list of chronic and deadly diseases, including diabetes and coronary heart disease. Understanding ...
School classroom air may be more polluted with ultrafine particles than outdoor air
Dec 22, 2009 |
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The air in some school classrooms may contain higher levels of extremely small particles of pollutants — easily inhaled deep into the lungs — than polluted outdoor air, scientists in Australia and Germany ...
How to relieve the pain effectively after laparoscopic cholecystectomy?
Dec 22, 2009 |
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Fibrin sealant has been an extremely effective and widely used adjunct to surgical procedures to control diffuse slow bleeding over large surfaces. In addition, fibrin sealant has been used as a carrier for other compounds. ...
Kew botanists discover more than 250 new plant species in 250th anniversary year
Dec 22, 2009 |
5 / 5 (1) |
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Giant rainforest trees, rare and beautiful orchids, spectacular palms, minute fungi, wild coffees and an ancient aquatic plant are among more than 250 new plant and fungi species discovered and described by botanists from ...
Elevated-risk women refuse MRI breast cancer screening
Dec 22, 2009 |
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In a new study published in the January issue of Radiology, 42 percent of women eligible for breast cancer screening with MRI declined to undergo the procedure.
Study casts doubt on provocative tuberculosis theory
Dec 21, 2009 |
4 / 5 (1) |
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The tuberculosis bacterium is an insidious germ that can lie dormant for many years, then suddenly emerge and cause potentially fatal disease.
Physicists propose quantum entanglement for motion of microscopic objects
Dec 21, 2009 |
4.3 / 5 (18) |
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Researchers at the California Institute of Technology (Caltech) have proposed a new paradigm that should allow scientists to observe quantum behavior in small mechanical systems.
