“The noblest pleasure is the joy of understanding.” —Leonardo da Vinci LOS ANGELES — As he raced against cancer to finish his fourth and final book, Leonardo’s Brain, author/inventor/surgeon Leonard ...

There’s a lot to love about brains. They are arguably the most complex organ in the entire human body. 86 billion neurons send electrical and chemical signals back and forth within your brain to ...

Nothing rivals the human brain's complexity. Its 86 billion neurons and 85 billion other cells make an estimated 100 trillion connections. If the brain were a computer, it would perform an exaflop (a ...