Researchers in Germany have come up with a "plasma jet" tool for dentists, which can eradicate cavities in the mouth just as efficiently as the traditional drill, but without the pain and fear that it usually causes in patients.

The jet comprises...

Just the other day, Germany banned the "public display" of Counterstrike - a video game that the government blames for a recent spate of school shootings.

It's also been making noises about banning violent games entirely. But the gaming community...