Such evolutionary costs could explain why males of our species do not all look like He-Man, according to William Lassek, an evolutionary psychologist at the University of Pittsburgh , Pennsylvania, who led the new study. Previous research has also suggested that musculature comes with a cost. One in 16 US women were forced into having sex for the first time Albatrosses strapped with sensors help spy on illegal fishing boats. How to be superhuman: The science behind extraordinary abilities When will we hear from aliens? But ancient humans struggled to get all the calories their bodies needed at times, Lassek says, which could have meant hunky men going hungry more often. Can an N95 face mask protect you from catching the new coronavirus?
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