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Letter: For the record

Published 18 October 2017

• The source of the first gravitational waves detected is 108.5 times further away than the star Proxima Centauri (Last Word, 7 October).

• Marcie Glicksman is chief science officer of Orig3n, purveyor of saliva tests (7 October, p 22).

• We squished our spelling: the algebraic topologist who discussed how this branch of mathematics might be used to understand the brain is Ran Levi (30 September, p 28).

• The figure given for potential energy production from evaporation in the US should have been 2.85 billion megawatt-hours (10 exajoules) a year (7 October, p 19).

Issue no. 3148 published 21 October 2017

New Scientist issue 3148 cover

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