In many of the same hot regions of the world prone to drought and water contamination grows a tree whose seeds attract and kill bacteria in water. It's a thin-branched, gangly-looking plant ...

How to make a diy faucet filter for your sink Learn how to create an effective water filter for your sink using simple materials. We used activated charcoal, fine sand, and gravel layers in a pvc pipe ...

A Purdue-affiliated startup has developed a low-cost, low-maintenance slow sand water filter technology to better provide clean and safe drinking water to schools and communities in developing ...