Although often glossed over, the human liver is a pretty amazing organ. Not just because it’s pretty much the sole thing that ...

Picture trauma patients regenerating lost muscle tissue that knows how to wire itself back into the body’s existing systems. The discovery also challenges our understanding of memory.

For axolotls, it may take only a couple of days to regrow their tiny hands, but in a fully grown human, that process could take years, McCusker said. “It’s important that we continue to do ...