DENVER, CO, May 31, 2016-

A simple sheet of paper, called a Mille-Feuille Filter, has been developed to filter viruses out of drinking water. Scientists at Uppsala University have been able to create this special type of paper that offers a cheaper way to make drinking water safe in developing countries.

The new sheet of paper uses layers of thin cellulose nanofibers that are developed from green algae, according to Science Alert. While researchers have been able to find ways of purifying water, finding ways to remove small viruses has continued to be a problem.

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