The News Feature ‘Weighing the world’s trees’ (Nature 523, 20–22; 2015) incorrectly described the photosynthesis measurements made by the Orbiting Carbon Observatory-2. Those observations are made by the same spectrometers that measure CO2 concentrations.
The News story ‘Researchers pin down risks of low-dose radiation’ (Nature 523, 17–18; 2015) incorrectly calculated an ‘expected’ death rate from leukaemia among the workers. Only 30 deaths were attributable to the radiation, and the relative risk increment posed by each additional 10 mSv was 3%.
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The online version of the original article can be found at 10.1038/523020a
The online version of the original article can be found at 10.1038/523017a
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Corrections. Nature 523, 269 (2015). https://doi.org/10.1038/523269a
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DOI: https://doi.org/10.1038/523269a
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