Deep sea robots reveal mineral riches in the abyss

Scientists from the University of Bergen in Norway are using remotely operated vehicles (ROVs) to explore thousands of metres deep in the ocean. Matthew Stock reports.

Save videos for later by signing up or logging in

With "My Queue" you can quickly save videos to watch later.

To add an item to your queue just click the sign next to the video.

Once you've added a video visit "My Queue" to start watching!