n each case, people craved a painting that featured a large body of blue water, some open grass, a human figure and a few animals.

the survey results reveal our hard-wired preferences, which developed when we were Pleistocene hunter-gatherers roaming the African savannah. The landscapes we find most beautiful are simply those from which we evolved. If we like paintings with a foreground of short grasses, it's because that habitat contains more protein per square mile than any other, which is a crucial perk for a meat-eating primate.