成人快手

Dr Chris Smith and the Naked Scientist team present the latest science news, analysis and breakthroughs.

In today鈥檚 programme: What should we make of claims that China is building super weapons to hack and hijack US satellites? We also hear from the couple who have discovered one of the world's most important fossil deposits, almost on our own doorstep!

Plus ... we investigate the link between sport and concussion injuries.