91av

Letter: First class post – 20 April 2019

Published 16 April 2019

It's not just polar bears breeding with grizzlies: humans also interbred with others

Alice Outwater at Homo sapiens interbreeding relatively recently with Denisovans (6 April, p 9)

Issue no. 3226 published 20 April 2019

91av issue 3226 cover

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