alt Hacker Newsyou just made me wonder if the fact we sweat serves a similar purpose as your spit covering example.
(i don't know, but you triggered a thought!)
you just made me wonder if the fact we sweat serves a similar purpose as your spit covering example.
(i don't know, but you triggered a thought!)
Nope, it's evaporative cooling (like a swamp cooler) for your body.