The most comprehensive analysis yet of African genetic diversity was rightly hailed as “profoundly impressive” by Daniel MacArthur of Genetic Future. By looking at 2,400 people from 113 African populations, Sarah Tishkoff has “done justice to the sheer scale of the genetic diversity within the African continent.”

The Scandal of the Week award goes to pharmaceutical company Merck and publishing house Elsevier, following news that the former paid the latter to produce six fake journals promoting their drugs. Janet Stemwedel considers the story and the difference between fake journals and just plain bad ones.

PalMD wants to talk to you about syphilis

Martin Robbins the Lay Scientist discusses the siege conditions facing British sceptics following the ruling in the