Some 200 years after Mary Shelley wrote her gothic masterpiece, we look at the science that could be used to create a sentient being today.
Martin Rees on aliens
The Astronomer Royal asks whether we should be searching for extraterrestrial robots instead of organic life.
An end to blindness?
Due to advances in bionics, stem cells and gene therapy, a cure for blindness could be just around the corner.
A complete guide to gravity
It keeps our feet on the ground, but what exactly is gravity, and what does it tell us about the cosmos? Read our all-you-need-to-know guide.