A blue whale can grow as long as 3 Greyhound buses and heavier than 35 elephants. Its tongue alone is the size of a small car and weighs as much as an elephant. While immense, a blue whale’s heart beats only nine times per minute. Yet blue whales can also produce extreme sounds of more than ’185 decibels nearly twice as loud as a jumbo jet at takeoff.
Wednesday, December 16
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