Some People Shouldn't Watch NOVA

Backpacker #1: What's up with this DNA crap?
Backpacker #2: Yeah, I know...
Backpacker #1: Yeah... Like, that spiral staircase they show on TV -- where is that in your body?
Backpacker #2: Yeah, dude, for real.
Backpacker #1: Yeah, man, you can't trust science.

--Brooklyn-bound 4 train