Access

Published online 21 March 2007 | Nature | doi:10.1038/news070319-9

News

To kill one, or watch many die?

Brain damage takes the emotion out of decisions.

A runaway train is speeding down the tracks towards five workmen. You and a stranger are standing on a bridge over the track.

Comments

Reader comments are usually moderated after posting. If you find something offensive or inappropriate, you can speed this process by clicking 'Report this comment' (or, if that doesn't work for you, email webadmin@nature.com). For more controversial topics, we reserve the right to moderate before comments are published.

There are currently no comments.