Access

Published online 17 December 2008 | Nature 456, 852 (2008) | doi:10.1038/456852b

News in Brief

Vatican formalizes rules on human stem-cell research

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.