SCIENCE
Darwin notebooks returned to library
Darwin’s “tree of life” sketch in one of two recently returned notebooks, which had been missing for more than 20 years
GETTY IMAGES/STUART ROBERTS-CAMBRIDGE UNIVERSITY LIBRARY
Two decades after they disappeared from Cambridge University Library, a pair of notebooks compiled by Charles Darwin have been returned – deposited anonymously in a pink gift bag in a section of the building with no CCTV coverage.