New York's cancer maps : what we don't know won't hurt us, it's what we do know that ain't -- A centenary celebration for Will Burtin : a pioneer of scientific visualization -- That's funny ... -- Commentary on some graphs in the 2008 National Healthcare Quality Report -- Improving graphic displays by controlling creativity -- Diabetes and the obesity : taking a better look at blood sugar as a start -- A second look at second opinions, with hip fractures as an example -- False positives, or, Is a pound of prevention worth an ounce of cure -- Assessing long-term risk with shorter-term data -- A remarkable horse : an inquiry into the accuracy of medical predictions -- On the role of replication in the advance of science : the survival of the fittist -- What does it take to change practice? -- Why is a raven like a writing desk? Musing on the power of convention.