Some parts of the human body are in a state of constant regeneration. Liver cells, for example, are replaced every 300 to 500 days. Fingernails grow every day. But this aptitude rapidly declines when ...

For the first time ever, scientists have been able to successfully regenerate damaged leg muscles through a new stem cell technique that uses material from pig bladder tissue. Researchers at the ...

The little pigs bouncing around the lab looked exceedingly normal. Yet their adorable exterior hid a remarkable secret: each piglet carried two different sets of genes. For now, both sets came from ...

The rest of this article is behind a paywall. Please sign in or subscribe to access the full content. Five patients who lost large amounts of muscle in their legs were able to grow it back. With the ...