The Tree of Life

In this episode of Making Science, Tom Whipple tells the story of physician and alchemist Johannes Baptist van Helmont. In the 17th-century Van Helmont believed he had created the Philosopher's Stone, a substance that could turn base metals into gold. Whilst this might have been a pipe dream his work indirectly paved the way for a monumental scientific discovery - photosynthesis. Hosted on Acast. See acast.com/privacy for more information.