Stellenbosch University's Hope Project has produced a disposable water filter shaped like a tea bag. When placed in the neck of a water bottle, the bag removes all harmful chemicals and microbes. Each ...

Should you have feedback on this article, please complete the fields below. Please indicate if your feedback is in the form of a letter to the editor that you wish to have published. If so, please be ...

Provide people cheap access to clean water and you could save billions of lives. South Africa may use tea bags to do just that. Researchers at Stellenbosch University's Water Institute have developed ...