Filter membrane renders viruses harmless

Viruses can spread not only via droplets or aerosols like the new coronavirus, but in water, too. In fact, some potentially dangerous pathogens of gastrointestinal diseases are water-borne viruses.

The environmental cost of contact lenses

Many people rely on contact lenses to improve their vision. But these sight-correcting devices don't last forever—some are intended for a single day's use—and they are eventually disposed of in various ways. Now, scientists ...

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