What came first, bigger brains or lots of sex?

Fox, Douglas
November 2002
New Scientist;11/23/2002, Vol. 176 Issue 2370, p24
Traces the history of human evolution in terms of fertility. Factors that helps a women's immune system to prepare for pregnancy according to research published in February 9, 2002 issue of 'NewScientist'; Risks associated with deep burrowing of uterine wall by a human fetus; Theory proposed by neonatologist Pierre-Yves concerning reasons behind the less fertility in humans.


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