A bottle can disinfect drinking water by channelling static electricity built up from just 10 minutes of walking – no limited supply of water purification tablets or external power sources required.

Q. Do you have any information about the type of furnace filters that are promoted by Paul Harvey? In particular, are they effective? Are there brands available in local stores? S.P. Chelsea. A. As ...

If you’re like a majority of Americans, the water from your household tap travels through miles of aquifers, pipes, and treatment systems before landing in your glass. One of the easiest ways to boost ...