He suggested the sub may have been spying on a top secret consignment of military grade plutonium, shipped from the French port of Cherbourg to Japan on board a British nuclear transport vessel.

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The two countries need each other on everything from energy security (building a new nuclear power station) to transport links.

ECONOMIST: Poland and Lithuania

Because the nuclear genes in a cybrid are the same in each cell, any differences between mitochondria cannot be due to the nuclear contribution to their electron-transport chains.

ECONOMIST: Trojan DNA

Because 90% of the electricity consumed in Stockholm is supplied by hydro and nuclear plants, there is the potential to significantly reduce emissions by electrifying the transport sector.

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