Population

Why are the offspring of older mothers less fit to live long and prosper?

The offspring of older mothers don’t fare as well as those of younger mothers, in humans and many other species.

Kids living near major roads at higher risk of developmental delays, NIH study suggests

Young children who live close to a major roadway are twice as likely to score lower on tests of communications skills, compared to those who live farther away from a major roadway, according to an analysis by researchers at the National Institutes of Health and the University of California, Merced.