LifeBrave or reckless? Thrill-seekers' brains can tell you A study of skydivers suggests that brain scans can identify those who feel fear but overcome it, and those whose brains don't assess danger properly 51¶¯Âþ
LifeDoes a surplus of men really mean more violence? Conventional wisdom holds that things get violent when men outnumber women. But the picture is more complicated than that, say three anthropologists Opinion