That clip was produced using real data that scientists collected a few years ago from a blue whale in Monterey Bay, California. The heart beat slowly when the animal dived, but when it came to the ...

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 ...

An adult human has an average resting heart rate of about 75 beats per minute, the same rate as an adult sheep. But a blue whale's heart is about the size of a compact car, and only beats five ...

If your heart’s ever skipped a beat, you’ve had what are called heart palpitations. It might feel like your heart is throbbing, pounding, or fluttering. Or you simply might not feel well.

It happens because something goes wrong with your heart's electrical system. The idea of your heartbeat going rogue may sound alarming. But in most cases, an ectopic beat is a harmless condition.

Celine Dion sings that "my heart will go on," but how many times does it actually beat in a day or even a lifetime? When you purchase through links on our site, we may earn an affiliate commission.