Philippa Foot, 90, Dies; Philosopher Who Posed 'Trolley Problem' - The New York Times
The Trolley Problem Meme: What Do You Do?
Philosophy Matters - The Trolley Problem For Kids | Facebook
Using a foreign language changes moral decisions | University of Chicago News
The trolley dilemma: would you kill one person to save five?
What Is Learned from 70,000 Responses to Trolley Scenarios? | Daily Nous
MIT maps global responses to 'who would you save?' survey on self-driving cars
The Trolley Problem, Explained: Who Should You Kill?
OBM Neurobiology | A Neurotransmitter Approach to the Trolley Problem
Professor Joshua Greene Speaks on Human Morality - The DePauw
The Upgraded Trolley Problem: Would You Kill Five People if There's a Chance to Save Ten? : Networks Course blog for INFO 2040/CS 2850/Econ 2040/SOC 2090