Divers Like Seals: Surpassing Human Limits

Researchers are discovering that some humans have incredible diving abilities, comparable to those of marine mammals. Alessia Zechinni, a freediver, has broken 40 world records, reaching a record depth of 123 meters unaided.

Humans have practiced freediving for thousands of years, with examples ranging from Neanderthals to the Bajau of Southeast Asia, who can stay underwater for up to five hours a day. The Haenyeo of Korea have genetic variations that allow them to dive safely during pregnancy.

Erika Schagatay, a professor of animal physiology, argues that humans belong to the category of shallow divers, like otters. While seals have sophisticated physiological adaptations, humans can be trained to improve their diving abilities. Recreational freediving is increasing, but it carries risks.