It is time to worry again-our lifestyle choices do impact our genetic code and that of our children (and even grandchildren). Epigenetic means "on the gene" and the term refers to the recent discovery that stress can impact an individual's physiology so deeply that those biological scars are actuall[...]

Much of the evolutionary biology that has grabbed headlines in recent years has sprung from the efforts of sociobiologists and evolutionary psychologists to explain sexual features and behavior - even differences between how men and women think - as evolutionary adaptations. They have looked to the [...]