Six new contributions to Nature 's online debate about open peer review are published today.

Systems: Trusting data's quality

Brenda Riley

Systems: Opening up the process

Erik Sandewall

Quality and value: How can we get the best out of peer review?

Trish Groves

Ethics : Detecting misconduct

Dale Benos

Technical solutions: Evolving peer review for the Internet

Richard Akerman

Perspective: ‘I don't know what to believe’

Tracey Brown

All articles are available at:

Readers are invited to join the debate in Nature's peer-review comments blog at: