Learn why soil pH is the most important soil test value and how it affects nutrient availability and lime requirements.

A new photocatalyst that combines sunlight and a common water-treatment oxidant can rapidly strip dangerous organic matter from water, offering a promising tool for safer drinking water and cleaner ...

Electronics keep shrinking, but silicon is starting to run into physical limits. To go smaller, researchers are turning to something far tinier than any transistor on a chip: single molecules that act ...