When commercial fisherman Scott Thompson fell out of his boat one moonless night in the Santa Barbara Channel off the California coast, he didn’t know if he’d survive. He swam hard after the boat, but the motor was running and he couldn’t reach it. So he attempted swimming to a distant oil platform in the darkness. Beginning to lose hope, Thompson heard a splash in the cold water near him. A harbor seal swam with him for a while, nudging him along toward the platform. Five hours later, Thompson completed the long swim and described the seal as “an angel” sent
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