NeilDeGrasse Tyson – A Twitter spat between astrophysicist Neil deGrasse Tyson and
httpss://www.youtube.com/watch?v=Dkjkh3OrjeA A Twitter spat between astrophysicist Neil deGrasse Tyson and rapper B.o.B over the flat Earth theory has turned into a full-blown rap battle. B.o.B, whom you might know from his hits “Airplanes,” “Nothin’ On You” and “Strange Clouds,” kicked things off Monday when he started tweeting about how he believes the Earth is flat....