Rice is one of the world’s key staple crops, a critical food source for more than three billion people – and it could be highly vulnerable to climate change. Kristie Ebi unpacks new research showing that rising carbon dioxide levels in the atmosphere cause rice plants to produce less of four important B vitamins, as well as protein, iron and zinc. Such changes could make some of the world’s poorest people even more vulnerable to nutrition-related problems.

And in other stories, our experts weigh up the future of Venezuela’s president, make the case for hiring bicultural employees, and explain the delicate science of football predictions.