This workout seemed to help the cells mature. Visually, they began to take on the structures of human heart tissue, and the cardiomyocytes beat harder. A genetic analysis showed that these cells ...

Cells in the developing heart must find the perfect match, much like a game of microscopic speed dating. Using filopodia—tiny ...

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 a heart is taken out of a person, provided it is kept under the very conditions that it needs to be transplanted, it will continue to beat. Why is that? Scientists think new research has ...

First graders in a Tokyo public elementary school are presented with a challenge for the final semester: performing "Ode to Joy" at the ceremony for the new incoming first graders. Ayame, who often ...

Katlyn's heart is now beating correctly ... This short film is from the BBC series, Inside the Human Body. The 3D footage brings the topic to life and would enhance any lesson on the heart ...

A pig’s heart beating in a human? This medical feat has already been achieved – at least for a short time. Kidneys from animals have also been transplanted. Last year, a 62-year-old man lived ...