What are soap nuts and what are the many ways you can use them to clean with? An expert explains how the natural ingredient works a variety of household wonders. I’d always thought my mother taught me ...

At the heart of the technology, a form of hydrovoltaic energy harvesting, is how evaporating water flows through the porous structure of nut shells. As the water moves, it transports electrically ...

Shreya Ramachandran, 17, remembers witnessing California’s water crisis firsthand on a visit to Tulare County in 2014, when she was still a preteen. Tulare spans a large swath of farmland in ...