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Richard Wrangham’s “female-bonded” theory of intergroup competition was highly influential in our un
Early-maturing boys tend to be advantaged because they often fit cultural ideals of masculinity.
The early regulatory region of phage l
Early geologists discovered evidence of past glaciations in U-shaped valleys
The striking improvements in motor development in the early months
Teens who date in early adoles-cence are more likely to become sexually active