Could wounded skin someday regrow perfectly without scars? A new study by Harvard stem cell biologists published in Cell ...

A cut in the womb can vanish almost without a trace. The same injury a few days after birth leaves behind a scar.

Many living organisms are able to regenerate damaged or lost tissue, but why some are particularly good at this and others are not is not fully understood. Molecular biologists have now made an ...

In the muddy waters of Mexican lakes, birds prey on axolotls by clamping their sharp teeth around the salamanders’ limbs and snapping them off. But, unlike humans who can’t regrow missing limbs, ...

For decades, doctors believed cartilage loss was irreversible. A new injectable material developed at Northwestern proves ...

Spontaneous injuries like the loss of a limb or damage to the spinal cord are impossible for humans to repair. Yet, some animals have an extraordinary capacity to regenerate after injury, a response ...

Regeneration sounds like a superpower. It is the ability to regrow lost tissues, organs, or limbs. Some creatures, like axolotls or starfish, do this effortlessly. Their bodies replace what was ...

For those of us whose memory of high school biology hasn’t faded entirely, planarians will probably sound very familiar. They’re generally used as an example of one of the extreme ends of regenerative ...

A type of flatworms, called planarians, can regenerate whole organisms from pieces as small as one-279th of their body. 1 Depending on how these goofy-looking worms were cut, they could even come back ...