In this week’s Babbage podcast (reporting on science and technology), Google buys Motorola Mobility, social networks face shutdowns and a new biography of Steve Jobs attracts speculation. Read more
At the start of 2011 the food industry is in crisis. World food prices have risen above the peak they reached in early 2008 and there is concern about feeding the world’s growing population. This special report from The Economist concentrates on the problems of feeding the 9 billion; it looks at ways to boost yields of the main crops, considers the constraints of land and water, the use of fertiliser and pesticide, assesses biofuel policies, explains why technology matters and examines the impact of recent price rises.