It wasn't enough to just to unveil the Alfa Romeo Giulia Quadrifoglio with the bit of disorganization that can come with debuts in Italy. They also trotted out famed tenor Andrea Bocelli, who sang Nessun Dorma from Giacomo Puccini's Turandot.
A growing body of science says, no. That critical parts of the brain involved in decision-making are not fully developed until years later at age 25 or so. In a moment, we'll hear about how child advocates are hoping to use this research to change the laws about their foster care.
But while its brain is larger than an Australopithecus, itâs still smaller than later Homo species. Modern humans emerged about 200,000 years ago. We have slender skeletons, hands well-suited to tool-making, and large brains.