Letter: For the record

Published 5 April 2017

• Thar she blew. The early 1900s was when blue whale numbers crashed because of factory-ship whaling (18 March, p 44).

• The tectonic plates of Europe and North America are separating (UK and Australian editions, 18 March, p 51).

Issue no. 3120 published 8 April 2017

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