Almost a half-mile below the surface of Monterey Bay, California, scientists recently recorded rare footage of a seven-arm octopus— only the fourth time the same research team has spotted the species in about four decades.
In…

Almost a half-mile below the surface of Monterey Bay, California, scientists recently recorded rare footage of a seven-arm octopus— only the fourth time the same research team has spotted the species in about four decades.
In…