Last September, the Intergovernmental Panel on Climate Change (IPCC) published the first volume of its Fifth Assessment Report. How was it prepared? How do scientists conduct research on climate change? All you ever wanted to know on IPCC reports is featured in this issue's Focus.
Other subjects include a stroll on Mars with the rover Curiosity ; the latestinventory of the Amazon rainforest ; a new program to study meningitis outbreaks in Africa ; a fruitful collaboration with Azerbaidjan on archaeology; an interview of Alain Tarrius on a phenomenon he calls transmigration ; and a lot more