http://www.newsweek.com/trolley-problem-scientists-ask-public-who-autonomous-cars-should-kill-1186076

As artificial intelligence continues to advance rapidly, concerns are growing about how machines, such as autonomous vehicles, will make moral decisions—particularly those where human lives are at stake.

To shine a light on this issue, researchers from MIT conducted a massive global survey in the hopes of gauging what people think about how autonomous vehicles should behave in such situations.