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 ...

When your heart “skips a beat” it may feel like a brief flutter or flip-flop in your chest. A scary symptom that is usually harmless, that skipped beat feeling is actually an extra beat that ...

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.