Tiny subs built to clear up oil spills

After the Deepwater Horizon incident in the Gulf of Mexico two years ago, there's been an increasing amount of attention devoted to cleaning up oil spills.

'Pied piper' robot could lead fish away from harm

It may not look particularly appealing to the likes of you or me, but the robot fish shown above is so cool that real ones will follow its lead.

Magnetic soap could help clean up oil spills

British scientists have developed a soap that respondes to magnetic fields, meaning it could potentially be used to capture oil spills.