Graphene Lithography - Etching with Atomic Precision - Naked Scientists NewsFLASH - 07.03.11

This week, a new discovery suggesting that the chemistry of life could have come to Earth in a meteorite, how foetal immunity protects the expectant mother, and why we need to be careful with stem cells - a new study has found that they have an above average chance of carrying cancer-causing genetic changes. Plus, a new technique to etch graphene sheets with single-atom precision.