In the News
Raining Pebbles: Rocky Exoplanet Has Bizarre Atmosphere, Simulation Su
Tidally locked with its star and orbiting very close to it, the exoplanet Corot-7b is hot enough to melt rock on its star-facing side. Its atmosphere consists of the components of silicate rocks in gaseous form and, simulation suggests, periodically rains pebbles or grains of sand onto the molten surface below. Internal Body Clock Dictates Timing Of Different Types Of Stroke
The internal body clock, or circadian rhythm, seems to influence the timing of different types of stroke, suggests research published ahead of print in the Journal of Neurology Neurosurgery and Psychiatry.The research team analysed data from almost 13,000 patients who had had one of three types of stroke for the first time, diagnosed by brain scan. Allergies Increase Risk For Corneal Transplant Rejection, UT Southwest
Corneal transplant patients who suffer from eye allergies are at a significantly higher risk of transplant failure than those without allergies, UT Southwestern Medical Center researchers have shown. Ceramic Hybrid Needles Take The Sting Out Of Shots
New polymerization technology may one day take the pain out of injections and blood draws. Researchers have recently used two-photon polymerization to create hollow needles so fine patients wouldn?t feel them piercing their skin. Clustered together on a patch, these microneedles can deliver drugs or draw blood as efficiently as standard hypodermic needles. Fundamental Flaws In Many Medical Studies Must Be Fixed In Order To Ca
The arthritis drug Vioxx eased the pain of millions of patients -- but also increased heart attack and stroke risk among some of them. Such problems may often go unnoticed at first, but might be prevented if medical researchers changed the way they evaluate new medicines, medical devices and other treatments, according to a new study. Picking up the Sweat Scent
Newly discovered sulfur-containing scent molecules in sweat produced by a bacterial enzyme point to our smelly past and could lead to an odor-free future. Malaria Treatment Efficacy Compromised In Certain HIV-positive Patient
A weakened immune response resulting from HIV infection can lead to trouble when it comes to treating malaria, according to a new study appearing in the Oct. 1 issue of the Journal of Infectious Diseases, now available online. Puerto Rico and the Dawn of the Modern Age: Nineteenth- and Early-Twen
"Portrays the early history of the commonwealth of Puerto Rico through first-person accounts, political writings, and histories."Topics include "the land and its resources, relations with Spain, the competition among political parties, reform efforts, and recollections by veterans of the Spanish-American War."Materials date from 1831 through 1929, and most are in Spanish. Includes background essays. From the American Memory Project of the Library of Congress. Early protein processes crucial to formation and layering of myelin me
A set of protein processes required in the early-stage conversion of glucose into fatty acids are critical to the proper formation and layering of myelin membrane, according to researchers. Essential to the proper functioning of the nervous system, myelin sheaths surround the axons of neurons and provide insulating effects that speed nerve conduction. Electromagnetic fields as cutting tools
The bodywork on motor vehicles must be sufficiently stable, but processing the high-strength steels involved -- for example punching holes in them -- can prove something of a challenge. A new steel-cutting process will save time, energy and money in the future.
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