Introduced trees are becoming more common in the eastern United States, while native diversity declines

Introduced trees are becoming more common in the eastern United States, while native diversity declines - EurekAlert!

The United States can no longer keep tabs on drug-resistant gonorrhea. Among the Centers for Disease Control and Prevention employees fired on Tuesday were 77 scientists who, among other work, gathered samples of gonorrhea and other S.T.I.s from labs nationwide.

Avoidable deaths are on the rise in the United States, yet falling in many peer nations