Even if it means protection from dangerous, even fatal diseases, having a needle jabbed into your skin and liquid sickness squirted into your flesh is no fun for anyone. There are other needleless injection solutions out there, but a new microneedle array made completely out of dried sugar promises to make vaccination not only painless, but dirt cheap. Read More >>

Craig Venter, the über-DNA jockey who quietly sequenced the human genome using his own DNA, then made "synthetic life" by outfitting a gutted bacterium with homemade genes, says his next trick will be emailing biological molecules, using 3D biological printers. The move that could revolutionise healthcare - and biological warfare. Read More >>