My heart was beating really fast, but I don’t have symptoms now. Should I see a doctor? If you’ve asked yourself this question, then you’ve probably noticed your heart skipping a beat, fluttering, or ...

During an average lifetime, the human heart will beat more than 2.5 billion times. Give a tennis ball a good, hard squeeze. You're using about the same amount of force your heart uses to pump ...

Instruments of a Beating Heart” follows a group of first graders in Japan who form an orchestra to play Beethoven’s “Ode to Joy,” as part of a welcoming ceremony for the incoming class of 6-year-olds.