31.   Baker was particularly interested in learning more about megaplumes which can soar more than several thousand feet off the ocean floor and spin like slow but gargantuan tornadoes.

32.   Ballard said the deep waters brought the ships to rest on the ocean floor sitting upright.

33.   Because the sonar equipment will trail at an angle behind the ship, six miles of cable will be used to reach the ocean floor three miles below.

34.   Bluffs became beaches and beaches became ocean floors.

35.   A Columbia University study based on core samples taken from the ocean floor shows the planet warms and cools in abrupt and significant natural cycles.

36.   A few dozen parts like this are all that is visibly left on the ocean floor.

37.   A large asteroid or comet slamming in the ocean floor, for instance, would release a lot of heat.

38.   A tsunami, a wave caused by a sudden shift in the ocean floor, bears some similarity to the storm surge of a hurricane.

39.   A wave simulator shows how waves change shape depending on the ocean floor.

40.   A tsunami, a wave caused by a sudden shift in the ocean floor, is similar to the storm surge of a hurricane.