11:00 26 September 2009

Designing ships to exude slime from their hulls could cut their fuel consumption by preventing the growth of plants and barnacles

12:00 26 September 2009

Human ingenuity has always saved us from the burden of our swelling numbers – and Jesse Ausubel is convinced that it can save us even now

11:00 26 September 2009

The lack of protective dust in the outskirts of the Milky Way makes an Earth-type planet there unlikely

10:00 26 September 2009

When detectives guide the process of identifying suspects, their bias can lead to rough justice. An electronic officer promises faultless impartiality