They're formed at the nanoscale, and they use proteins that are coded by the genetic level that allow them to build these really exquisite structures.

The big question today is whether all these alternative approaches can add up to more than a bit of desperate tinkering around the edges.

They are very often right in their readings of a given situation the US diplomatic cables released by WikiLeaks, for example, include a slew of masterful and penetrating analyses.

In an adult brain of course we've built up a large repertoire of mastered skills and abilities that we can perform more or less automatically from memory, and that define us as acting, moving, thinking creatures.

On this topic, there are three points that I would like to emphasize and I must admit here that it would have been difficult to find many others, given the excellent and extremely thorough background paper prepared by the Danish presidency.