Rapper B.o.B. went on a Twitter rant about the world being flat, and Neil deGrasse Tyson actually responded. Subscribe to our channel: http://full.sc/NfhdwD

B.o.B.'s first post: https://twitter.com/bobatl/status/691411463051804676

Follow us on Twitter!
http://www.twitter.com/whatstrending

Like us on Facebook!
http://www.facebook.com/WhatsTrending

Follow whatstrending on Snapchat!

Sign up to our newsletter for the hottest videos straight to your inbox!
http://bit.ly/wtnewsletter

Follow our host!
Anna Lore: http://www.twitter.com/anna_lore

Intro music: Orientation - Birocractic
http://birocratic.bandcamp.com

Music by Epidemic Sound - http://bit.ly/1Gv4mny