All bodily sensations, including those visceral feelings from your chest and stomach, are relayed back to the brain through the pathways via the spinal cord. Your already anxious and highly alert ...

Over the past century, heart operations that once were unthinkable have become commonplace. Thousands of times a day, ...

Ken Burns added: "He's an anatomist, and he's a botanist, and he's interested in flight, and he's a sculptor, and he's a painter, and he's an artist, and he's all of those. The reason why it's such a ...