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.
The human brain is composed of neurons, glial cells, and blood vessels. The number of neurons is estimated at roughly 100 billion. During early pregnancy, neurons have shown to multiply at a rate of 250,000 neurons per minute. The adult human brain is estimated to contain 86Â±8 billion neurons, with a roughly equal number (85Â±10 billion) of non-neuronal cells.