In a marked contrast to the LFP, the intracellular recordings showed no phase reversal with the recording depth.
The reading obtained at that time was the first indication of the actual near-record depth.
The tags, which mount on a whale's skin with suction cups, record depth, sound and the animal's orientation in three dimensions.
Scientists in Britain and Ireland who equipped cod with electronic tags to measure and record depth every 10 minutes report that North Sea cod are very active from October to May.
The water level in Dresden finally began to drop from its record depth of 30.84 feet, but only by less than half an inch.
In 1957, during the International Geophysical Year, the Soviet research ship Vityaz sounded a new world record depth of 36,056 feet (10,990 metres) in Challenger Deep.
In its early years, the hall served as a storehouse for curios, including the diving bathysphere in which William Beebe and Otis Barton reached the record depth of 3,028 feet in 1934.
On March 26 , 2012 Canadian filmmaker James Cameron piloted the submersible Deepsea Challenger (which he had helped design) to 35,756 feet (10,898 metres), in the process establishing a new world record depth for a solo descent.
The tags recorded depth, temperature, and light information as the sharks moved around.
