28 Dec 2011: Letters: Many vitamin D trial proposals have been turned down at their first hurdle by statisticians with inadequate experience of clinical and public health issues
14 Dec 2011: Zoe Williams: It's more palatable to blame diabetes on lifestyle than accept the fact that on a penny-per-calorie basis, a Big Mac is simply cheaper
Nnimmo Bassey, head of Friends of the Earth International dismisses the biotech industry's claims that GM crops require fewer pesticides and produce higher yields
Scientists are examining the comforts of chocolate and the benefits of fish – and the relationships are more complicated than you might think, writes Robin McKie