Q. I have a new coffee maker and want to make my coffee with filtered water. Without installing add-on equipment or drilling holes in my countertop, what are some permanent water filter options for a ...

A high-school senior has built a simple water filter using a common tree seed that can effectively remove bacteria such as E. coli and other pollutants. Distributing the easy-to-follow instructions on ...

Companies that solve real problems make for compelling investment opportunities on Shark Tank—particularly when the problem is a health crisis. “Your product is not a water filter; your product is ...

Field tests in Nepal suggest that people who live in areas with arsenic-tainted aquifers may be able to purify their drinking water by passing it through a low-cost, low-tech filter with a simple ...

Engineers fabricated a simple water filter modeled after the mobula ray’s plankton-filtering features. Pictured are pieces of the filter. Filter feeders are everywhere in the animal world, from tiny ...

The interiors of nonflowering trees such as pine and ginkgo contain sapwood lined with straw-like conduits known as xylem, which draw water up through a tree's trunk and branches. Xylem conduits are ...