Heritage Key, the historical virtual world whose founder we interviewed recently, has rolled out an update that gives users the ability to explore Stonehenge, circa 2,400 BC.

Back then, more than 4,000 years ago, Salisbury Plain wasn't a plain...

Virtual worlds can create a good deal of controversy, with some critics suggesting that the format is detrimental to real life and learning, with the emphasis tending to be on gaining virtual possessions and snogging other avatars.

We spoke...