We were led to the main part of the site by an excellent tour guide who gave us a brief but
very informative introduction to the site, before leaving us with plenty of time to explore the ruins on our own.
In this
Very Short
Introduction, leading authority Jonathan Slack offers a clear and
informative overview of stem cells — what they are, what scientists do with them, what stem cell therapies are available today, and how they might be used in the future.