I was listening to a radio show the other day and a neuroscientist from Vanderbilt University named Suzana Herculano-Houzel was talking about something so interesting.  She was talking about nerve cells called neurons that are in the cortex of the brain.  Those neurons talk to each other and make connections or networks.  The more neurons, the more connections, the more knowledge being passed around.  She said humans have 16 billion neurons.  The next closest is the gorilla with 8 billion neurons.  An elephant has 5 billion neurons.  Dogs have 500 million and cats 250 million. Continue reading