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.
Microsoft Works Document. WPS file is a Microsoft Works document. The Works Converter allows you to convert word processor documents created in Microsoft Works to Microsoft Word and other Works programs. Other types of files may also use the .wps file extension.