Pollution

This amazing robot swims like an eel AND detects pollution

Inspired by one of nature’s most efficient swimmers, bio-roboticist Auke Ijspeert and his team are building a sinuous robot that can venture into toxic waters. Let’s say you wan...

This tower sucks up smog and turns it into diamonds

In one of the world’s most polluted cities, there’s a futuristic tower that sucks up smog, turns it into clean air, and filters out the smog particles so they can be turned into...

4 ways to curb our addiction to plastic

Not all plastic is evil, but our world could probably do with a whole lot less of it. Check out these great ideas — from a googly-eyed trash catcher to a styrofoam substitute ma...