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Creating a sustainable future based on clean energy from renewable sources is the challenge facing incoming US energy secretary Ernest Moniz. Elsewhere in the world, progress is already being made.
A class of two-terminal passive circuit elements that can also act as memories could be the building blocks of a form of massively parallel computation known as memcomputing.
Millions of dollars of prize money are up for grabs in fundamental physics, through an entrepreneur-funded scheme that should complement, rather than challenge, the Nobel awards.
The science of complex networks can be usefully applied in finance, although there is limited data available with which to develop our understanding. All is not lost, however: ideas from statistical physics make it possible to reconstruct details of a financial network from partial sets of information.
