It took some of America's best engineers, thousands of laborers and two years of around-the-clock concrete pouring to build the 726-foot-high Hoover Dam back in the 1930s. It took less time than that for the tiny, brainless ...

Biology - Ecology

Mar 02, 2009 2.7 / 5 (3) 1

Anne Kai, of Lacey, Wash., owns a small, hand-dyed fabric business with an environmental slant.

Space & Earth - Environment

Mar 02, 2009 4 / 5 (5) 0

We've been told for years that popping a multivitamin will make us healthier and prolong our lives, but a major study recently found that daily multivitamins don't make a difference in the rate of breast or colon cancer, ...

Medicine & Health - Health

Mar 02, 2009 3.5 / 5 (4) 0

A statistical modeling study suggests that problems with alcohol abuse may lead to an increased risk of depression, as opposed to the reverse model in which individuals with depression self-medicate with alcohol, according ...

Medicine & Health - Psychology & Psychiatry

Mar 02, 2009 4 / 5 (1) 0

Children and teens of parents with bipolar disorder appear to have an increased risk of early-onset bipolar disorder, mood disorders and anxiety disorders, according to a report in the March issue of Archives of General Ps ...

Medicine & Health - Psychology & Psychiatry

Mar 02, 2009 4.3 / 5 (3) 0

Between 11 percent and 20 percent of U.S. teens are estimated to own T-shirts or other merchandise featuring an alcohol brand, and those who do appear more likely to transition through the stages of drinking from susceptibility ...

Medicine & Health - Other

Mar 02, 2009 3 / 5 (2) 1

California Governor Arnold Schwarzenegger, guest of honour at the world's biggest high-tech fair, told crisis-hit executives Monday to stop their whining and invest in the future.

Technology - Hi Tech & Innovation

Mar 02, 2009 2.4 / 5 (5) 1

Flickr on Monday began letting users of its free online photo-sharing service upload snippets of video to the website in a budding challenge to Google-owned YouTube.

Technology - Internet

Mar 02, 2009 not rated yet 1

A new approach to fighting bacterial infections, developed at MIT and Boston University, could help prevent bacteria from developing antibiotic resistance and help kill those that have already become resistant.

Biology - Cell & Microbiology

Mar 02, 2009 5 / 5 (2) 0

(PhysOrg.com) -- A University of Arizona research team recently completed a study looking at the DNA blueprint of almost 1,000 individuals and comparing that to detailed measurements of their hair, skin and ...

Chemistry - Biochemistry

Mar 02, 2009 4.2 / 5 (5) 0

The experiments, thus far performed only in mice, appear to overcome a major drawback of vaccinations - the lag time of days, or even weeks, that it normally takes for immunity to build against a pathogen. This new method ...

Medicine & Health - Medical research

Mar 02, 2009 4.6 / 5 (19) 0

By altering just one gene in HIV-1, scientists have succeeded in infecting pig-tailed macaque monkeys with a human version of the virus that has until now been impossible to study directly in animals. The new strain of HIV ...

Medicine & Health - HIV & AIDS

Mar 02, 2009 5 / 5 (1) 0

(PhysOrg.com) -- New scientific findings by geologist Robert Gastaldo of Colby College in Waterville, Maine, and colleagues call into question popular theories about the largest mass extinction in Earth's ...

Space & Earth - Earth Sciences

Mar 02, 2009 4 / 5 (22) 3

(PhysOrg.com) -- If you're looking to keep your job in these tough economic times, you might want to avoid talking about how your firm's cutbacks will make it harder for you to do your work. That's because those who regularly ...

Other Sciences - Social Sciences

Mar 02, 2009 4 / 5 (3) 0

The African savanna is world famous for its wildlife, especially the iconic large herbivores such as elephants, zebras, and giraffes. But managing these ecosystems and balancing the interests of the large ...

Space & Earth - Environment

Mar 02, 2009 5 / 5 (1) 0