Prof. Noah Whiteman has been exploring the secrets of nature’s toxins, how they evolved, and how we use them. Noah is Professor of Genetics, Genomics, Evolution, and Development and Director of the Essig Museum of Entomology at UC-Berkeley and author of ‘Most Delicious Poison: The Story of Nature's Toxins - From Spices to Vices’ - he joins Jonathan to discuss.

Also joining Jonathan for Newsround is Dr. Lara Dungan and Dr. Oran Kennedy from RCSI.