'Mad' Mike Hughes wanted to prove the Flat-Earth theory by flying into space on a rocket so he could photograph the Earth.

From the anti-vaccine movement to the belief that the earth is flat, there seems to a growing distrust of science and institutions, and experts say it's difficult to come up with an antidote to the erosion.

Still, in 2017, scientists are perplexed as to why these “theories” are even being discussed.