LifeGenes marked by stress make grandchildren mentally ill A little thing called methylation means that parental neglect, or eating a poor diet, could lead to depression or schizophrenia two generations later 51¶¯Âþ
LifeCousin virus suggests HIV may be deadly for millennia Simian immunodeficiency virus, which does not cause AIDS but gave us HIV, seems far older than we thought – dashing hopes that HIV might weaken soon 51¶¯Âþ