Noise in a Modern Ocean: Marine animals use the physical qualities of water—where sound travels 25 times faster than it does on land—to communicate across the seas. But humans also capitalize on the acoustic properties of water for their own purposes, from sonar to seismic exploration. This animated explainer highlights the challenges of living in an ocean filled with the “smog” of sound.

If you enjoyed this video, you’ll find lots of related stories on our website at https://hakaimagazine.com. You can sign up for our free weekly newsletter at https://hakaimagazine.com/newsletter-....