Mystery Solved: How Do Dolphins Swim So Fast?

Researchers have finally figured out how dolphins swim as fast as they do.

Believe it or not, how dolphins can swim so fast has been something of a riddle for researchers since the 1930s.

But a new study has laid to rest one of the most vexing questions plaguing scientists about dolphin speed: How can their muscles produce enough thrust for such high speeds?

"It's been controversial for a while," said Frank Fish, a marine biologist at West Chester University in Pennsylvania.

Now he has the answer: Bottlenose dolphins can produce the power they need to swim circles around whatever they wish by using their powerful tails, new experiments show.

The paradox began in 1936 with a British researcher named Sir James Gray, who conducted the first study on dolphin swimming, said Fish, a co-author

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