For many heartbreaking diseases of the brain — dementia, Parkinson’s, Alzheimer’s and others — doctors can only treat the symptoms. Medical science does not have a cure. Why? Because it’s difficult to ...

Researchers say this could lead to more targeted treatment approaches. To many other researchers, creating a map of the 86 billion neurons, or nerve cells, that make up the brain would be considered a ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Ten years ago, Dr ...