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For 150 years, the conventional wisdom has been that the normal human body temperature is 98.6 degrees. But new research suggests that the new normal is more than a degree cooler. Researchers aren’t exactly sure what’s causing the change, but one theory suggests it could be a sign that humans are getting healthier. Plus, learn the English expression “average out.” Take your English to the next level with Plain English Plus+! Speak with more confidence, learn English vocabulary, and train your ear to listen at full speed. Members get access to a library of over 50 captioned video lessons, episode transcripts with translations, flashcards on Quizlet, a fast version of every new episode, and more! Learn more at PlainEnglish.com/Plus. See a full, free transcript and all episode resources for this episode at: https://www.plainenglish.com/231 Join our e-mail community for free English learning tips, extra vocabulary words, and links to English articles about your favorite Plain English topics. It’s free! Join at