Michael Patten, in his Correspondence stating that 'subspecies' and 'race' should not be used as synonyms (Nature 457, 147; 2009), claims that subspecies “remains a useful taxonomic division that ...

The video is no less horrifying for being familiar: a young black man surrounded by about 20 police officers, nearly all of them white, being beaten while offering no resistance. Tyree Carroll had ...

About a year ago I wrote an article seeking a non-subjective definition for butthead, an alternative to the subjective definition as anyone with whom I butt heads. This is a central research question ...