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Archive: 02/04/2008

Small bit of a CMOS chip holds 2-D through-the-walls radar imager

Two researchers from the USC Viterbi School of Engineering have created a send/receive chip that functions as an active array, sending out a matrix of 49 simultaneous ultrawideband radar probe beams and picking up the returned ...

Technology / Engineering

created Feb 04, 2008 | popularity 4.7 / 5 (15) | comments 0

Smoking linked to sleep disturbances

New research shows that cigarette smokers are four times as likely as nonsmokers to report feeling unrested after a night’s sleep. The study, appearing in the February issue of CHEST, the peer-reviewed journal of the American ...

Medicine & Health / Health

created Feb 04, 2008 | popularity 4.5 / 5 (2) | comments 0

Researchers use new method to probe recollections in memory-impaired patients

Neuroscientists continue to debate whether or not long-term memory always depends on a region of the brain called the medial temporal lobe, which contains the brain’s memory-processing center, the hippocampus. A new study ...

Medicine & Health / Research

created Feb 04, 2008 | popularity 5 / 5 (1) | comments 0

For treating advanced Parkinson's, new research points to serotonin

For most people with Parkinson’s disease, the only relief from the tremors, rigidity and impaired movement associated with the progressive loss of their motor skills is a drug called L-DOPA. But as the disease progresses, ...

Medicine & Health / Diseases

created Feb 04, 2008 | popularity 4.6 / 5 (8) | comments 0

Microneedles enhance drug administration through skin

In what is believed to be the first peer-reviewed study of its kind involving human subjects, researchers at the University of Kentucky College of Pharmacy and the Georgia Institute of Technology have demonstrated ...

Medicine & Health / Research

created Feb 04, 2008 | popularity 5 / 5 (2) | comments 0

Communing with nature less and less

From backyard gardening to mountain climbing, outdoor activities are on the wane as people around the world spend more leisure time online or in front of the tube, according to findings published this week in the Proceedings of ...

Other Sciences / Other

created Feb 04, 2008 | popularity 4.7 / 5 (3) | comments 0

Baboon dads have surprising influence on daughters' fitness

Polygamous baboon fathers get more grandchildren if they spend a little time with their children during their juvenile years, according to research directed by scientists at Duke and Princeton universities.

Biology /

created Feb 04, 2008 | popularity 4.8 / 5 (4) | comments 0

Researchers make new discoveries on what does and doesn't affect immune system

Scientists know that a number of factors can affect the body's immune system: poor diet, certain steroids, chronic stress. Now researchers at Michigan State University have discovered that an appetite-controlling hormone ...

Medicine & Health / Research

created Feb 04, 2008 | popularity 4.6 / 5 (5) | comments 2

Bacterium sequenced makes rare form of chlorophyll

Researchers at Washington University in St. Louis and Arizona State University have sequenced the genome of a rare bacterium that harvests light energy by making an even rarer form of chlorophyll, chlorophyll d. Chlorophyll ...

Biology /

created Feb 04, 2008 | popularity 4.6 / 5 (22) | comments 0

Lower transmission increases dengue deaths

A pair of researchers has answered a puzzle about why efforts to lower the transmission of dengue virus in Thailand have not resulted in decreases in the severe, life-threatening, form of the infection. In fact, it seems ...

Medicine & Health / Research

created Feb 04, 2008 | popularity 5 / 5 (2) | comments 0

Tipping elements in the Earth's climate system

Anthropogenic forcing could push the Earth’s climate system past critical thresholds, so that important components may “tip” into qualitatively different modes of operation. In the renowned magazine Proceedings of ...

Space & Earth / Earth Sciences

created Feb 04, 2008 | popularity 4.1 / 5 (39) | comments 7

Worried about family or friends falling? New guideline identifies those most at risk

A new guideline developed by the American Academy of Neurology finds certain neurology patients are at a high risk of accidental falls and should be regularly screened to help prevent the high number of fall-related injuries ...

Medicine & Health / Research

created Feb 04, 2008 | popularity not rated yet | comments 0

2 genes found to play crucial role in cell survival

New research suggests that two recently discovered genes are critically important for controlling cell survival during embryonic development.

Medicine & Health / Genetics

created Feb 04, 2008 | popularity 2.5 / 5 (2) | comments 0

Older women more likely to become, remain depressed than older men

Older women appear more susceptible to depression and more likely to stay depressed but less likely to die while depressed than older men, factors that contribute to the higher burden of depression among older women, according ...

Medicine & Health / Psychology & Psychiatry

created Feb 04, 2008 | popularity 3 / 5 (3) | comments 0

Breastfeeding now safer for infants of HIV-infected mothers

An antiretroviral drug already in widespread use in the developing world to prevent the transmission of HIV from infected mothers to their newborns during childbirth has also been found to substantially cut the risk of subsequent ...

Medicine & Health / HIV & AIDS

created Feb 04, 2008 | popularity not rated yet | comments 0