About a quarter of all iPhones have been unlocked, allowing owners to use devices without the pricy AT&T subscription in and outside the US. In some countries vendors have started selling unlocked iPhones months before the official release.
Geoengineering on the sea floor near glaciers would form a new ice shelf to prevent melting
Alterations in capillary blood flow can be caused by body position change
Curiosity rover is in 'normal mode' but not transmitting scientific data back to base
NatWest outage comes a day after Barclays' IT systems shut out customers and staff