Octopuses are iconic for their eight arms. But how many hearts does an octopus have? It turns out that an octopus has three hearts, Kirt Onthank, an octopus biologist at Walla Walla University in ...
Octopuses are perhaps the most unusual creatures to have ever inhabited the ocean. Their soft body, eight arms, and high level of intelligence make them a fascinating subject of interest to many ...
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