This Should Scare The Shit Out Of You
Pay very close attention to his opening statement.
"We could be the last generation of Homo Sapiens."
Sauce, Good Ol' Clif.
https://twitter.com/clif_high
Because it's an MP4, and I can't get the file type to change, go here,
https://video.twimg.com/ext_tw_video/1495805433239334916/pu/vid/480x270/BzJd1ACwVRTUg4kj.mp4?tag=12