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Young, infected Lasius neglectus ants will send out an altruistic "kill me" signal to worker ants, a new study finds, as part of a strategy to keep deadly pathogens from spreading through the colony.

Have you thought about taking the keys away from an older driver in your life? NPR wants to hear your story about how you navigated a difficult situation with an aging parent or relative.

The 18-time Grammy Award winner is the latest musician to cancel an show at the Kennedy Center. Béla Fleck says he cannot currently perform there because it "has become charged and political."

U.S. forces have seized a Russian-flagged oil tanker in the north Atlantic after a two week chase. This is part of the larger U.S. campaign aimed at tankers going to and from Venezuela.

Crude prices are low. Companies are being cautious. But huge reserves — particularly of the heavy, viscous oil Venezuela has in abundance — remain appealing.