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 ...

They still beat with proper rhythm and showed normal ... Scientists created ball-shaped clusters of heart cells from human stem cells that had been reprogrammed from adult cells.

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 ...

A team of researchers has successfully grown a beating human heart in the laboratory using stem cells. Previous research has shown how 3D printers can be used to manufacture 3D heart segments ...

More than half a century after the world’s first heart transplant, scientists are finding fascinating ways to improve the ...

For most of history, the human heart has been regarded as a forbidden ... that would allow him to cut into the wall of a still beating heart, insert a finger, locate the shrapnel and remove ...

it's the human heart. A team of U.S. researchers found a way to use the veins of the spinach leaf to build a miniature version of a beating heart muscle. Their discoveries offer a potential ...

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 ...