Yale researchers have developed a promising new method to electrochemically convert nitrate, a common water pollutant, into ...

The P/B ratio shows how a stock's market price compares to its book value. It helps gauge whether a stock is undervalued or overvalued relative to its net assets.

For over 150 years we’ve been looking for new and better ways of doing things. You'll find our teams around the world working to reduce our carbon footprint, partnering to develop new technologies to ...