Dr. Augusto Coppi is teaching in a 3D Quantitative Image Analysis workshop for post-graduate students in Fortaleza (Brazil, July 23-29) at the Federal University of Ceara in Brazil in conjunction with the Post graduation programme of Medical Sciences of the Federal University of Ceara. The workshop programme includes stereology, systematic sampling in experimental design (SURS), estimation of global and local volume, cell number, surface area, total length and design of a 3D quantitative image analysis study.