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Chronic vibrations constrict vessels
Chronic vibrations of the hands can distort and twist some arterial cells to the breaking point, animal research indicates.
By Janet Raloff -
Uganda shows strong gains in war on AIDS
Uganda has shown remarkable progress against HIV, the AIDS virus.
By Nathan Seppa -
PhysicsFundamental constant didn’t vary after all
In disagreement with prior findings, an analysis of new quasar observations indicates that alpha, the universal constant that defines the strength of the electromagnetic force, has not varied since the early days of the cosmos.
By Peter Weiss -
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I am not an advocate of capital punishment, but I wonder whether the people and organizations who are so anxious to use findings on brain maturity to raise the age of capitol punishment have considered the consequences of winning their case.