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The first episode in a new series of audio documentaries on Nature's podcast asks what it is like to be a bat, and meets the woman who knows better than anyone.
An 'essentially unbeatable' algorithm for the popular card game points to strategies for solving real-life problems without having complete information.
Analysis reveals which nations must refrain from exploiting much of their carbon-based energy resources if temperatures are to rise by no more than 2 °C this century.
The week in science: Discredited stem-cell findings linked to contamination; NASA balloon mission springs a leak; and US to consider protections for monarch butterfly.