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 ...

In our pursuit of advanced technology, we forget that mother nature has already patented all the best ideas. With just a hose clamp, some plastic tubing, and piece of tree branch, you can create a ...

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 ...

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 ...