Why I sometimes don't believe in the stuff that scientists tell us

All the time, I'll see someone on my Facebook feed be like, "Oh, I can't believe someone doesn't believe in global warming / evolution / the moon landings, can't they see the obviousness of the SCIENCE?!?!"

And I'm like, "Err...I do believe in all three of those things, but I have no trouble understanding those peoples' skepticism."

I'm not from the sort …