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Life sciences/Biophysics/Bioacoustics/Psychoacoustics/Sound perception

More than 100,000 people are expected to attend the nation’s largest science festival in April as the second USA Science & Engineering Festival brings exciting, family-friendly activities to Washington, D.C. AAAS is a founding partner of the festival, and this year will organize and host several festival activities.

An analysis of language from around the world suggests that human speech originated—just once—in central and southern Africa. This verbal communication then likely spread around the globe, evolving alongside migrating human populations, according to the new research.