It's not quite an adamantium skeleton, but new titanium foam could revolutionize bone implants. The material can integrate with the patient's natural bone, reducing the stress on both the original bone and the implant and making the overall skeleton stronger.
The racing driver, who played the character of The Stig for seven years on the show, said he was looking forward to taking on presenting roles of his own.
He is currently in talks with companies for shows on terrestrial and satellite channels that will perform even more outlandish stunts than those attempted on Top Gear.
Forensic Entomologist Amoret Whitaker explains how the study of the fly's life cycle can help homicide detectives catch murderers, by giving them information about how long ago a person is likely to have died.
Here she gives BBC News a tour of her working environment, including the 'insectory', at the Natural History Museum.
The world's biggest offshore wind farm off Kent has been officially opened.
Swedish energy giant Vattenfall said the 100 turbines are expected to generate enough electricity to power 200,000 homes.
Energy Secretary Chris Huhne is visiting the project, which has been built seven miles (12km) off Foreness Point in Thanet.