>Given the Mendelian genetic lottery, the kids produced by any one couple typically differ by 5 to 15 IQ points. So this method of "preimplantation embryo selection" might allow IQ within every Chinese family to increase by 5 to 15 IQ points per generation.

Wow, that's a huge deal if it's accurate. (I don't know much about the science involved so I can't judge whether it is.)