Language is ambiguous at the best of times, think about how much gets lost in translation. Imagine hearing a tribesman in a remote land utter the word "gavagai" upon seeing a rabbit. A speaker of English could do what seems natural and translate this as "Lo, a rabbit."   But other translations would be compatible with all the evidence she has: "Lo, food"; "Let's go hunting"; "There will be a storm tonight" (he may be superstitious).

What can eating Marilyn Monroe's thigh and the pain of teenage heartbreak tell us about the value of human life? We discuss what makes life worth living and ending.

John Rawls thought we needed to wear a veil of ignorance to remove our biases before deciding on the rules of a just society. Are his ideas useful in a world where the elderly and the vulnerable are exposed to higher risks? Should the healthy and the well off accept limits on their freedom?

An out-of-control trolley is rumbling toward five innocent people trapped on a track. You can divert the trolley onto another track by pulling a switch, but the other track has one person on it. Do you pull the switch?  Governments around the world have used lockdowns to save lives, but this choice has had severe economic consequences. Did they pull the right switch? Hosted by Dr Jason Werbeloff and Mark Oppenheimer.