'Stem Cells: An Insider's Guide' is a book that provides an overview of stem cells and their potential applications in medicine. Written by a leading expert in the field, the book covers the basics of stem cells, their role in development and disease, and the latest research and clinical applications. Who said this?

'DNA Is Not Destiny' is a book by Steven J. Heine that challenges the belief that genes determine human behavior and destiny. Heine argues that while genes play a role, many environmental factors also shape who we are, and he calls for a more nuanced view of the nature vs. nurture debate. Who said this?