The correspondence between famous novelist H.G. Wells and Cora Crane, the partner of "The Red Badge of Courage" author Stephen Crane.

Best known as the author of "The Jungle," Upton Sinclair had some thoughts about the American economy, which he shared in this 1906 essay.

Sibling jealousy feels like a universal problem, but most parenting experts didn't even acknowledge it until the early 20th century.

Why did the Puritans embrace a medical treatment that looked suspiciously like black magic?

On September 1st, 1858, a mob stormed the New York Marine Hospital in Staten Island, and set fire to the building.

Klein talks about her new book, On Fire: The Burning Case for a Green New Deal, and the youth movement for climate action.

Semelparous organisms reproduce exactly once in a lifetime.

A look at TV watching as a social activity, from the "water cooler" network shows of yore to today's "second screen" live-tweets.

Well-researched stories from High Country News, Scientific American, and other great publications that bridge the gap between news and scholarship.

A rainforest evangelist hopes that Brazil’s 55-million year old jungle can survive 21st century human impact.