New research by Smithsonian scientists suggests that preferences for certain sounds might be evolutionarily conserved ...

Add Yahoo as a preferred source to see more of our stories on Google. Dolphins who spend more time playing with each other as youngsters will go on to father more offspring later in life compared to ...

Group size and mating preferences may have caused male primates, including humans, to evolve deeper voices than females. The findings can help to shed light on social behavior in humans and their ...

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