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A reality check on overhauling the health-care system

Aging might be a genetic accident

Forty years of heart transplants

After honing their skills on organisms of all stripes, scientists are within reach of sequencing human genomes at bargain prices

Fighting for children's health inside the hospital and out

Science matters

A republican and a democrat weight in on health-care reform

The Washington health-care lobby

Safeway's CEO talks reform

The science of a tai chi strike