Ancient mammoth tusk found on the deep ocean floor

'You start to 'expect the unexpected' when exploring the deep sea, but I'm still stunned that we came upon the ancient tusk of a mammoth,' says Steven Haddock, senior scientist at the Monterey Bay Aquarium Research Institute.

Haddock and underwater robot pilot Randy Pickett spotted the strange specimen on the vehicle's camera 10,000 feet down at the bottom of the ocean around 185 miles off the coast of California. — Read the rest