Mille-feuille-filter removes viruses from water

A simple paper sheet made by scientists at Uppsala University can improve the quality of life for millions of people by removing resistant viruses from water. The sheet, made of cellulose nanofibers, is called the mille-feuille ...

Startups turn to crowdfunding

When Oakland startup MegaBots needed cash to give its 15-foot-tall, 12,000-pound combat robot more firepower, the company put out a call for help online.

Putting carbon back where it came from

The UN Climate Conference ended with a promising deal to reduce our impact on the climate, ratified by all 190 participating countries. It remains to be seen if and how these ambitious goals will be met. But one thing is ...

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