education kills

[photo by Nirvana]

“These flies died about 20 percent faster than flies with the same genes, but which were not forced to learn.” Forming neuron connections may cause harmful side effects.

I think the lesson here is: invert the question, get a grant. It isn't "why are humans so smart?" It's "why are so many animals so dumb?" As usual, evolutionary biology can "explain" any set of data.