- Human-like intelligence may have evolved to care for helpless babies. Researchers describe how natural selection for large brains may lead to premature newborns, which themselves require more intelligence to raise, and thus may select for even larger brains. http://arstechnica.com/science/2016/05/getting-babies-to-stop-crying-and-not-die-may-have-made-humans-smarter/ 11 comments science