News
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EarthSome temblors probably were triggered by tides
Detailed analyses of large earthquakes suggest that some of them may have been triggered by strong tides in Earth's crust.
By Sid Perkins -
Clock genes regulate blood sugar
Circadian-clock genes may play an important role in governing the body's metabolism of dietary sugars and fats.
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EarthInhaled particles damage vascular lining
Airborne soot and other pollutant particles can impair the ability of tiny vessels in the body to properly regulate blood flow, an animal study finds.
By Janet Raloff -
MathCon Artist: Scanning program can discern true art
A new mathematical tool distills painting style into an array of statistics as a potential means to spot forgeries.