Confused? Not sure what to believe about science, history, philosophy and everything else? Worry no more! Academia has a system called Peer Review in which experts check new research for "validity, significance and originality" before it appears in respectable journals, so you and I can rest assured that only the very best gets published. But is Peer Review really all it's cracked up to be?

Joining us once again is Dr. Tim Ball, retired climatologist from the University of Winnipeg, who explains the many reasons why he believes Peer Review has become at best a useless - and at worst a treacherous - system in which bias, error, dogmatism and cronyism frequently prevent the most important and challenging ideas from seeing the light of day. Whether one agrees, or disagrees, it's difficult not to sympathise with Dr. Ball's conclusion: Peer Review looks like something we could well do without.

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