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The increase is partly driven by climate challenges.
Neuroimaging techniques are helping us read the pictures in our heads.
Only one in 20 cases is inherited.
There is unlimited kinetic energy all around us and harnessing it could change the way we interact with the world, says Dr Gonzalo Murillo.
Prof. Eckhard Hein has looked at lessons to draw from the recent financial crisis.
The basic premise is to open up the innovation process to all active players.