Brightsurf Science News & Current Events

September 24, 2006
From zero to a billion electron volts in 3.3 centimeters
In a precedent-shattering demonstration of the potential of laser wakefield acceleration, scientists at the Department of Energy's Lawrence Berkeley National Laboratory, working with colleagues at the University of Oxford, have accelerated electron beams to energies exceeding a billion electron volts (1 GeV) in a distance of just 3.3 centimeters.

Heavy drinking can hasten the progression of the simian immunodeficiency virus disease
Alcohol abuse can impair a person's immune system. Alcohol abuse is also very common among individuals infected with human immunodeficiency virus.

Carbon capture, water filtration, other boreal forest ecoservices worth estimated $250 billion/year
It's time to create a comprehensive accounting system for natural capital to recognize the full value of ecosystem services provided by boreal forests, an ecological economist will urge delegates to Canada's 10th National Forest Congress September 25-27.

Decision-making impairment appears greater in alcoholics with coexisting personality disorders
People make decisions all the time: They form preferences, take action and evaluate outcomes, whether rewarding or aversive.

Teenage alcohol and drug use: At best, parents know about it only half of the time
During some assessments of child psychopathologies, parental observations can be helpful.

Alcoholics Anonymous membership may decrease alcohol-related homicides
There is a strong association between alcohol use and violence.

Diabetes, not obesity, increases risk of developing critical illness and early death
Diabetes puts people at risk of developing critical illness and dying early, but obesity without diabetes does not.
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