Neurons connect and “talk” to each other by sending chemical messengers called neurotransmitters. While you might text to connect to your friends, neurons pass their messages through synapses, which are tiny gaps between neurons. It’s not uncommon for one neuron to have a thousand synapses. Altogether there are about 100 trillion synapses in the brain—about the same as the number of cells in your body! ("Photo via Dieter Brandner; Ginger Withers) Read More