Why do humans have big brains?

It's worth noting that we don't have the biggest. Elephants have a big, chunky 12 pound brain, after all, but the reason for that is obvious.

So we know better than to go to Tennessee? 🤔

So aliens can abduct us.

The brains eat too much and don’t get enough exercise

the big brain was an evolutionary screw up

Because we have big hearts

so we could find the 10% we use.

Big skulls