Joshua Siegel - Assistant Professor in the Department of Psychiatry at NYU Grossman School of Medicine.

Sam Parnia - Director of Critical Care & Resuscitation Research at the New York University School of Medicine and author of Lucid Dying: The New Science Revolutionizing How We Understand Life and Death.

Guest: Professor Lewis Dartnell, Astrobiology Research Scientist at the University of Westminster and Author of 'Being Human: How Our Biology Shaped World History' @lewis_dartnell

Guest: Neurosurgeon Ted Schwartz @TedSchwartz13

Guest: Colm Collins, Assistant Professor at the School of Biomolecular and Biomedical Sciences in UCD, and Conway Investigator.

Guest: John Trowsdale, Emeritus Professor of Immunology at the University of Cambridge.

Guest: Ziv Williams, Associate Professor in the Department of Neurosurgery at Harvard Medical School.

Guest: Dr. Brian D. Appelbe - Research Fellow in the Physics Department at Imperial College London.

Guest: David Henshall - Professor of Physiology and Medical Physics at RCSI and author of Fine-Tuning Life: A Guide to MicroRNAs, Your Genome's Master Regulators.

Dirk Leder - Research associate in the office for Cultural Heritage in Lower Saxony.