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Krishika Sethi
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You can hear a blue...
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Krishika Sethi
22 hours ago
You can hear a blue whale's heartbeat from over 2 miles away: Their hearts can weigh up to 1,300 pounds and beat so powerfully that the sound travels through the water.
Krishika Sethi
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You can hear a blue whale's heartbeat from over 2 miles away: Their hearts can weigh up to 1,300 pounds and beat so powerfully that the sound travels through the water.