Based on a Finnish study, smokers have higher risk of depression than non-smokers. In addition, smokers who quit have an elevated risk of depressive symptoms in the short term. It is known that…

The High Resolution Stereo Camera (HRSC) on board ESA’s Mars Express has captured breathtaking images of the Deuteronilus Mensae region on Mars. The images were taken on 14 March 2005 during orbit…

Capturing the coldest atoms in the universe within the confines of a laser beam, University of California, Berkeley, physicists have made a device that can map magnetic fields more precisely than…

Mathematicians and number buffs have their records. And today, an international team has broken a long-standing one in an impressive feat of calculation. On March 6, computer clusters from three…

Studies have shown that gastrointestinal (GI) tract function is often influenced by specific stimulants or reactors, which sometimes cause irritable bowel syndrome (IBS) or constipation. Two studies…

As many homeowners know, when stacking firewood, pieces should be placed close enough to permit passage of a mouse, but not of a cat chasing the mouse. Now, imagine a woodpile where all those mouse…

Peering into the body and visualizing its molecular secrets, once the stuff of science fiction, is one step closer to reality. The research team is reporting that by looking at images from radiology…

Extremely drug resistant TB, or XDR-TB, is a serious problem in India, according to a study presented at the American Thoracic Society 2007 International Conference, on Monday, May 21. The study,…

In people with mild cognitive impairment, up to one drink of alcohol a day may slow their progression to dementia, according to a study published in the May 22, 2007, issue of Neurology®. Mild…

A team of researchers has documented major changes in the behavior, ecology, and geographic range of the northern fur seal over the past 1,500 years using a combination of techniques from archaeology…

Between 2000 and 2004, worldwide CO2 emissions increased at a rate that is over three times the rate during the 1990s—the rate increased from 1.1 % per year during the 1990s to 3.1% per year in the…

The contents of the deep Earth affect the planet as a whole, including life at its surface, but scientists must find unusual ways to "see" it. Only recently have researchers been able to produce the…

Imagine if a naturally occurring chemical in your body could help make you feel more calm and relaxed – but it would only work during the long days of summer. The same chemical would, instead, make…

A patch of Martian soil analyzed by NASA's rover Spirit is so rich in silica that it may provide some of the strongest evidence yet that ancient Mars was much wetter than it is now. The processes…

Patterns of human behavior and movement in crowded cities – the tipping point at which agitated crowds become anti-social mobs, the configuration of civic areas as defensible spaces that also promote…

A new study in this month’s Journal of Personality and Social Psychology explains why NPR listeners always think they are right. When it comes to financial decisions or even concerns about terrorism…

The use of targeted nanoparticles offers promising techniques for cancer treatment. Researchers in the laboratory of Mark E. Davis at the California Institute of Technology have been using small…

Approximately ten million American adults have problems controlling their bladders. Bladder disease affects both men and women and can include incontinence or interstitial cystitis, a chronic…

The ability to regenerate nerve cells in the body could reduce the effects of trauma and disease in a dramatic way. In two presentations at the NSTI Nanotech 2007 Conference, researchers describe the…

People with obstructive sleep apnea have a markedly increased risk of severe motor vehicle crashes involving personal injury, according to a study presented at the American Thoracic Society 2007…