Brightsurf Science News & Current Events

April 06, 2008
Crime scene investigations: Gunshot residue analysis on a single gunpowder particle
Scientists in Texas report development of a highly dependable, rapid and inexpensive new method for identifying the presence of gunshot residue.

A tall story: New research adds to growing body of knowledge of genetics of height
Scientists are beginning to develop a clearer picture of what makes some people stand head and shoulders above the rest.

A boost for bamboo-based blouses and blankets
Chemists in Colorado now are reporting solutions to two major problems with bamboo fabrics that may speed adoption of this amazing plant -- which grows like Jack's beanstalk without special care -- in garments and other consumer products.

Rare genetic mutations protect against hypertension
Howard Hughes Medical Institute researchers have found that rare mutations in three genes contribute to blood pressure variation in the general population.

'Healing clays' show promise for fighting deadly MRSA superbug infections, other diseases
Mud may be coming to a medicine cabinet or pharmacy near you.

As nanotech goes mainstream, 'toxic socks' raise concerns
Valued for it's antibacterial and odor-fighting properties, nanoparticle silver is becoming the star attraction in a range of products from socks to bandages to washing machines.

1/3 of risk for dementia attributable to small vessel disease, autopsy study shows
Alzheimer's disease may be what most people fear as they grow older, but autopsy data from a long-range study of 3,400 men and women in the Seattle region found that the brains of a third of those who had become demented before death showed evidence of small vessel damage: the type of small, cumulative injury that can come from hypertension or diabetes.

Animal research suggests new strategy for treating cocaine addiction
New research in monkeys suggests the feasibility of treating cocaine addiction with a

Citrate appears to control buckyball clumping but environmental concerns remain
Fullerenes, also fondly known as buckyballs, are showing an ugly side.

New study shows that fetal cells to treat Parkinson's disease may not function long term
Neurons grafted into the brain of a patient with Parkinson's disease fourteen years ago have developed Lewy body pathology, the defining pathology for the disease, according to research by Jeffrey H.

Alligator blood may put the bite on antibiotic-resistant infections
Despite their reputation for deadly attacks on humans and pets, alligators are wiggling their way toward a new role as potential lifesavers in medicine.

Yale study shows how rare genes have big impact on blood pressure
Yale University researchers report today in the journal Nature Genetics that they have discovered that rare genetic variants can be associated with a dramatically lower risk of developing high blood pressure in the general population.

Ibuprofen or acetaminophen in long-term resistance training increases muscle mass/strength
Taking daily recommended dosages of ibuprofen and acetaminophen caused a substantially greater increase over placebo in the amount of quadriceps muscle mass and muscle strength gained during three months of regular weight lifting.

Tart cherries may reduce factors associated with heart disease and diabetes
Tart cherries may have more than just good taste and bright red color going for them, according to new animal research.

Sydney harbors deadly diet for sea creatures
Contaminated seaweeds in Sydney Harbour could be threatening the small animals that feed on them, according to a new study revealing that the harbor's seaweeds have the world's highest levels of copper and lead contamination.

Nuclear scientists eye future landfall on a second 'island of stability'
Those exploring the uncharted seas at the fringes of the Periodic Table of the Elements have landed on one long-sought island -- the fabled Island of Stability, home of a new genre of superheavy chemical elements sought for more than three decades.

Meteorites delivered the 'seeds' of Earth's left-hand life
Scientists presented evidence today that desert heat, a little water, and meteorite impacts may have been enough to cook up one of the first prerequisites for life: The dominance of

Subordinate monkeys more likely to choose cocaine over food
Having a lower social standing increases the likelihood that a monkey faced with a stressful situation will choose cocaine over food, according to a study at Wake Forest University School of Medicine.

Significant dementia risk attributable to small blood vessel damage
Autopsy data of 221 men and women found that the brains of one-third of individuals who had dementia before death showed evidence of small, cumulative blood vessel damage that can arise from hypertension or diabetes.

Environmental enrichment can reduce cocaine use, researchers find
Simple environmental enrichment and increased social stress can both affect the level of individual drug use, according to new monkey research at Wake Forest University School of Medicine.
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