Some combination of room temperature and skin coverage could improve your sleep and/or even help build brown fat, either of which may in turn lower your diabetes risk, and nakedness could play a role in such a scenario.

The existence of an enormous and extremely sneaky biped is unlikely, mostly because its caloric needs would require it to frequent too large an area for it to go unspotted forever.

By most accounts we wouldn’t even have developed vertebrae without the moon, let alone eyeballs. Dark nights would be the least of our problems.

…And they all didn’t die off from skin cancer. What’s the deal?

Yes, the poorest denizens of the poorest corners of the world have stopped dying from the most easily preventable of diseases. But here at the other end of the spectrum, we’re going in the opposite direction.