Summer is upon us, and along with the sun and pool time and vacation time come multiple opportunities to conveniently forget things we've already learned. Take, for instance, a trip to the fair.

Here in San Diego, the county fair is notorious for introducing new and unique foods each year-most of them ingenious ways (or disgusting ones, depending on how you look at it) to consume a full day's allotment of sugar, fat, and calories in one sitting.

In 2016, just a few of the newcomers were:

What, exactly, does this have to do with learning?