This tutorial explains the basic drawing approach commonly used in manga illustrations. It focuses on line work, proportions, ...

More than 2 million people in the U.S. lack running water and basic indoor plumbing, according to a new report by the human-rights nonprofit DigDeep and the nonprofit U.S. Water Alliance — and race ...

The industrial and commercial expansion of bottled water hinges on advancements in purification technology. As the pivotal ...

Hand sanitizer turned into a pocket-sized security blanket over the past few years, but it was never designed to solve every ...

Humans have been harnessing the energy of river currents for centuries, using water wheels spun by rivers initially to process grains and cloth. Today, hydropower provides about 16 percent of the ...