VIDEO: Sun Used to Purify Water

Friday, August 29, 2008 - 13:07 in Biology & Nature

Just 48 hours of sunlight can kill germs that cause cholera, typhoid, and other diseases—a discovery that's already helping Kenya's poor.

Read the whole article on National Geographic

More from National Geographic

Latest Science Newsletter

Get the latest and most popular science news articles of the week in your Inbox! It's free!

Check out our next project, Biology.Net