Turn it down!

Listen: Dolphins "scream" to each other over human-made noise pollution

by Jennifer Walter
Updated: 
Originally Published: 
Mohamed Kassem / 500px/500px/Getty Images

Shutterstock

If you’re trying to talk to your friend at a loud concert, your first instinct might be to raise your voice.

Roy Morsch/The Image Bank/Getty Images

Dolphins do something similar: When swimming in loud environments, they whistle louder and more frequently to communicate with their peers, according to a new study.

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