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U.S.WorldBusinessArtsLifestyleOpinionAudioGamesCookingWirecutterThe AthleticYou have a preview view of this article while we are checking your access. When we have confirmed access, the full article content will load.Sperm whales rattle off pulses of clicks while swimming together, raising the possibility that they’...

SKIP ADVERTISEMENTYou have a preview view of this article while we are checking your access. When we have confirmed access, the full article content will load.Two centuries after independence from Spain, many Colombians still use “sumercé,” meaning “your mercy” as an everyday address. A souvenir that reads “sumercé”...