Heartbeat -

Contrary to popular belief, your brain does not tell your heart to beat. If you sever all nerves between the brain and the heart, the heart will continue to beat on its own. This is because the heart has its own internal pacemaker: the .

Not every heartbeat follows the conductor's score. An is any change from the standard electrical sequence. While most are harmless (like the occasional palpitation after a triple espresso), others are life-threatening. Heartbeat

A heartbeat is a social signal. It is vulnerability made audible. We place our hand on our chest to swear an oath. We cover our heart when we are startled. We press a stethoscope to the chest to confirm life. Contrary to popular belief, your brain does not

Before the drum machine, before the metronome, there was the womb. Human beings are the only species that instinctively syncs its movement to a beat—a trait neurologists call "entrainment." The first drum was the human chest. Not every heartbeat follows the conductor's score

From the first flutter in the womb to the final silence at the end of days, the heartbeat is the percussion section of the human experience. It is the most fundamental sign of life, a biological metronome that ticks away the seconds of our existence. Yet, the concept of a "heartbeat" transcends the mere pumping of blood. It is a symbol of vitality, a barometer of emotion, and a metaphor for the essence of what it means to be alive.