CORRECTION

Correction

The News & Views ‘A surprising chill before the cosmic dawn’ by Lincoln Greenhill (Nature 555, 38–39; 2018) incorrectly said in the seventh paragraph that a putative absorption signal looks back as far as 180 million years ago. This should have said “as far back as 180 million years after the Big Bang”.

Nature 555, 455 (2018)

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