longstanding

We may be closer to understanding one of the mysteries of breastfeeding Svetlana Repnitskaya/Getty Images A newly discovered hormone in…

In an ongoing game of cosmic hide and seek, scientists have a new tool that may give them an edge.…

Nitrogen is an essential component of all living organisms. It is also the key element controlling the growth of crops…

Matt and Helen Perry at their home in Yulee, Fla. Michelle Bruzzese for NPR hide caption toggle caption Michelle Bruzzese…