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International Whaling Commission issues its first-ever extinction alert over endangered vaquita porpoise

By Amaya McDonald and Ashley Strickland, CNN (CNN) — The International Whaling Commission released its first-ever extinction alert Monday to warn of the potential danger facing the critically endangered vaquita porpoise. Known to be the smallest of porpoises and all species within the order Cetacea in terms of size, the vaquita can grow up to

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Scientists sliced open ancient poop and discovered a story of coevolution

By Mindy Weisberger, CNN (CNN) — Ancient reptilian carnivores that resembled modern crocodiles were fearsome hunters, but their scaly armor and sharp teeth couldn’t protect them from parasites, scientists have discovered. Paleontologists recently unearthed rare evidence of parasitic infection in a reptile that lived around 252 million to 201 million years ago during the Triassic

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