As it turns out, many presidents spent their younger years going on Hollywood-worthy adventures through history, doling out Old West-style justice and opening casino bars in the South Pacific.
We cling to certain well-known tales that help us easily label and categorize our presidents. There's only one problem with these little nuggets of awesome: Not nearly all of them are true.
One thing we've learned, as a site that likes to publish reader-friendly science articles, is how much of the stuff that comes our way is, well, worthless.
No one pictures their sweet grandma strafing the border with an AK-47 in one hand and a Molotov cocktail in the other, raining down death and destruction as epic as her homemade apple pie. But it does happen.
The whole gift-exchange scenario is a lose-lose situation. Science has spent a surprising amount of time studying it an everything you thought you knew is wrong.