Johannes Lehmann, of Cornell University, explains why ploughing burned plants into fields is a good idea (Reuters).
The owners of Stansted airport in the UK comment on a climate change protest that shut down their runways (Bloomberg).
Ben ‘Bad Science’ Goldacre is angry about media coverage of the MMR vaccine. Again.
Martha Farah, director of the Center for Cognitive Neuroscience at the University of Pennsylvania, comments on research showing that some brain functions may be reduced in poor children compared with rich children (USA Today).