Dicephalic parapagus twins Dicephalic parapagus twins Dicephalic parapagus \ dī-ˈsef-ə-lək \ is a rare form of partial twinning where there are two heads side by side on one torso. Infants conjoined this way are sometimes called "two-headed babies" in popular media. The condition is also called parapagus dicephalus. If carried to term, most dicephalic twins are stillborn, or die soon after birth. A small number are known to have survived to adulthood. The extent to which limbs and organs are duplicated varies from case to case. One head may be only partially developed (anencephalic), or both may be complete. In some cases, two
Winklevoss twins Winklevoss twins The Winklevoss twins (; born August 21, 1981; also humorously referred to as the Winklevi or Winklevii) are American rowers and Internet entrepreneurs, Cameron Winklevoss and Tyler Winklevoss. They competed in the men's pair rowing event at the 2008 Beijing Olympics. They are known for co-founding HarvardConnection (later renamed ConnectU) along with Harvard University classmate Divya Narendra. In 2004, the Winklevoss brothers sued Facebook founder Mark Zuckerberg, claiming he stole their ConnectU idea to create the popular social networking site, and ultimately received $65 million. They are now venture capitalists, and have led a seed funding round for