Your heart beats about 100,000 times in one day and about 35 million times in a year. During an average lifetime, the human heart will beat more than 2.5 billion times. Give a tennis ball a good ...

But research from my colleagues and I reveals that the human heart is an outlier, distinctly different from those of our ...

It also shows how the pacemaker cells restart her heart after the surgery. This short film is from the BBC series, Inside the Human Body. The 3D footage brings the topic to life and would enhance ...

Two handwritten, heart-shaped notes were slipped into argyle socks delivered to Luigi Mangione, the suspect charged in the killing of United Healthcare CEO Brian Thompson, prosecutors and defense ...