The retention of lactase persistence into adulthood is an example of such recent evolution. Recent human evolution seems to have been largely confined to genetic resistance to infectious disease that have appeared in human populations by crossing the species barrier from domesticated animals.
Stands for White People Shit. Describes a wide variety of things ranging from mountain climbing to Michael Bolton to Dr. Phil to tiny watercress sandwiches. People of all races can enjoy WPS, but it's something that is intrinsically White People Shit.
WPS, developed for the needs of news, journal and book publishers, is a comprehensive application for the creation, enrichment, management and delivery of content to the Web as well as other publishing channels such as print, CD-Rom or E-Reader.