Jennie Erin Smith’s “Valley of Forgetting” explores the genetic roots of early-onset dementia plaguing a mountain region.

A research team projects that changes to public health insurance coverage may lead to upwards of 51,000 deaths a year.

Thus begins Thomas Levenson’s thought-provoking book, “So Very Small: How Humans Discovered the Microcosmos, Defeated Germs — ...

Norway's crusade to eliminate gasoline powered cars was years in the making. Can that achievement be replicated?