Scientists at the "Centre for Existential Risk" grapple with the unprecedented number of planetary threats facing humanity, from runaway AI and cyber attacks to bioterror and nuclear war.
Dr. Barron is an Australian Research Council Future Fellow, and the Deputy Head of the Department of Biological Sciences at Macquarie University in Sydney. He discusses how the brains of honeybees can provide a model for studying diverse intelligence.
David Spiegelhalter discusses how the work of amateur mathematician Thomas Bayes and statistician Ronald Fisher helped to shape the current thinking of probability.
9 year old discusses the meaning of life, free will, alternate universes, and alien lifeforms.
2012 • Science