Plants need nitrogen to grow. Many legumes meet this need through a symbiotic relationship: They harbor bacteria that fix atmospheric nitrogen and make it available to the plant. Until now, it was ...

Add Yahoo as a preferred source to see more of our stories on Google. The bat-and-ball problem is famous for eliciting the wrong answer, even from brilliant people. There’s a blindingly simple math ...

So you’ve connected a device to your PC via a USB port — but Windows doesn’t recognize it. What now? Before you assume the product (or your PC port) is broken, there are several USB troubleshooting ...

For new discoveries, everyday mysteries, and the science behind the headlines, follow NPR's ShortWave podcast . Over a century ago, the German psychologist Wolfgang Köhler conducted what became a ...

Jillian Kubala, MS, is a registered dietitian based in Westhampton, NY. Jillian uses a unique and personalized approach to help her clients achieve optimal wellness through nutrition and lifestyle ...

Inflation measures how much more expensive a set of goods and services has become over a certain period, usually a year Ceyda Oner is a deputy division chief in the IMF’s Finance Department. Opinions ...