Nettie Stevens discovered XY intercourse chromosomes. She don’t get credit because she had two X’s. During the change of this century that is 20th biologist Nettie Stevens was driven to… read more →
Guide for moms and dads : 10 methods to Raise Brave Girls Bestselling writer Caroline Paul’s book that is new ‘The Gutsy woman,’ is a how-to guide for parents to… read more →
