Encarta Premium Suite claims a base of 130,000+ articles, along with 25,300+ photos and illustrations and 1.8 million map locations. That's more than a bit of bedtime reading, although of course there are really only two reasons why people buy digital encyclopedias these days -- either they've got kids to educate, or they're after some verifiable and quotable facts for a research project. For almost anyone else, of course, there's Google.

Taking a page out of the popular science fiction series, scientists have managed to turn aluminium into a new transparent form of matter, after it was placed under extreme ultraviolent radiation.