Darwin's walking stick

At New Scientist, Andrew Robinson reviews Frances Larson's The Infinity of Things, a book about the medical collections accumulated by Henry Wellcome.

(I love glass eyes! In fact long ago I had a very good "eye ring" - in the end I stopped wearing it because the metal of the ring broke and I didn't think it would be worth paying to have it fixed - but it was disconcertingly very much the same color as my actual real eyes, and now and again I would be resting my chin on my hand and someone would genuinely flinch at the sight...)