The Deepwater Horizon disaster of 2010 taught us a lot about deep water — foremost about the engineering challenges in plugging a blown-out well a mile below the sea’s surface. Everything’s different down there. Chemistry is different at those pressures, where it’s completely dark. But, as we reported early on, there’s still life down there — exotic, weird, a little scary.
The disaster responders had to fiddle with the blowout preventer on top of the Macondo well using ROVs, remotely operated vehicles, also known as robotic submarines. Now those ROVs are back in action on behalf of science, and we’ve got some cool video footage to show you courtesy of the American Geophysical Union and some researchers studying the effects of the BP oil spill on ancient shipwrecks.