"When we talk about stem cells, we are actually talking about a complicated series of things, including adult stem cells which are largely cells devoted to replacing individual tissues like blood elements or liver or even the brain"
This quote is written / told by David Baltimore somewhere between March 7, 1938 and today. He/she was a famous Scientist from USA.
The author also have 7 other quotes.
"He who joyfully marches to music in rank and file has already earned my contempt. He has been given a large brain by mistake, since for him the spinal cord would suffice"