Polluted water can at times make swimming in the sea or a pool risky, on the other hand aquatic organisms such as water boatman need the nutrients in dirty water to feed on. Taking inspiration from ...

Watch out, Wall-E, it looks like you’ve got some competition. There’s a new robot in town that’s able to float on water, eat algae, and then turn it into electricity that it uses to power itself.

This Row-bot doesn't like to go gently down the stream. Encountering filth and sewage is its form of merrily achieving life's dreams. In fact, it thrives on pollution — the more, the merrier. The ...