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”.
- CORRECTION
Correction
Nature 555, 455 (2018)
doi: https://doi.org/10.1038/d41586-018-03301-6
