Hyugens wrote, "Yea, even that they had done in the belly of that whale all the ... Public Domain] American inventor David ...

After the war, in the 1870s the Navy tested out another hand-cranked submarine, the Intelligent Whale. The tests were deemed unsuccessful. The sub is now on display at the National Guard Militia ...

and grey whale calves. The findings provide insights into predator-prey interactions in this submarine canyon/deep-water environment.

The Blue Planet II Team from the BBC nature show was observing animals feeding on a whale carcass when the sharks attacked their submarine. A video posted on YouTube by BBC News shows the ...