Oceans are among the most sound-rich environments on the planet—but because the water’s surface keeps most noises from permeating out, they rarely reach human ears. That hasn’t stopped Norwegian artist Jana Winderen from bringing underwater sounds to dry land. Since 2005, she’s been listening to marine ecosystems using a hydrophone, a microphone designed to detect and record ocean noises from all directions, and shares her recordings—including the creaking of a 10,000-year-old melting glacier, the high-pitched chirps of migrating humpback whales, and the squeaks of dolphins—in audio installations around the world. (Musician and author Bernie Kraus captures nature’s soundscapes, above ground, in a similar manner, and spoke about his work on Ep. 127 of our At a Distance podcast.)