Animals
How many hearts does an octopus have?
Octopuses are peculiar creatures with multiple hearts and aquamarine blood that is rich in copper. The eight limbs of octopuses make them recognizable. What number
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Animals
How big can animals get?
Animal growth is limited, particularly for terrestrial animals. The square-cube rule is the basis for this. The Argentinosaurus, a titanosaur that weighed 77 tons (70