Who has rap beef? Apparently B.o.B and astrophysicist Neil deGrasse Tyson. Although it may not be serious, this one may be worth listening to. “It all started when B.o.B went on a Twitter rant about the Earth actually being flat. Tyson responded to the No Genre label head, and then B.o.B dropped a track called “Flatline” which included a jab at the 57-year-old StarTalk host.” Of course Tyson answered back, with “Flat to Fact”.
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