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Science News for January 4, 2008


Assembling the jigsaw puzzle of drug addiction

A comprehensive gene atlas has been created to understand drug addiction, revealing five molecular pathways common to four different addictive substances. The atlas is based on an integrative meta-analysis of scientific literature and provides a more complete picture of the genetic factors underlying addiction.

SourcePLOS·JournalPLOS Computational Biology·DateJan 4, 2008

Exercise program improves symptoms in arthritis patients

The study evaluated the Arthritis Foundation Exercise Program's effects on managing arthritis through exercise. The results showed significant improvements in pain, fatigue, and physical function, with continued benefits when participants maintained program participation at home.

SourceWiley·JournalArthritis Care & Research·DateJan 4, 2008

New route for heredity bypasses DNA

Researchers at Princeton University found a new biological mechanism that enables ciliate cells to pass on acquired traits to their offspring, bypassing their DNA genetic program. This discovery has implications for understanding cellular processes and natural regulatory mechanisms.

SourcePrinceton University·JournalNature·DateJan 4, 2008

Research by Case Western Reserve University, VA earns cover of prestigious science publication

A team of researchers from Case Western Reserve University, VA and NASA Glenn Research Center has unveiled a method for developing mechanically-reinforced polymer nanocomposites. The approach uses a process to assemble nanoparticles into a three-dimensional network before filling it with a polymer, resulting in compatible materials. Th...

SourceCase Western Reserve University·JournalNature Nanotechnology·DateJan 4, 2008

Strength training of neck muscles relieves chronic pain

A new study published in Arthritis Care & Research found that specific strength training exercises led to significant prolonged relief of neck muscle pain in women. In contrast, general fitness training resulted in only a small amount of pain reduction. The study suggests that supervised high-intensity dynamic strength training may be ...

SourceWiley·JournalArthritis Care & Research·DateJan 4, 2008