Eggs of the 'Canard Sauvage', by A L Wirsing (1772) - detail

Nest eggs

31 March 2013 by

The cartoonish notion of nicotine-scavenging sparrows is brought irresistibly to mind by a recent (very serious) Biology Letters paper ‘Incorporation…

Podarcis sicula coerulea, from Theodor Eimer 'Zoologische Studien auf Capri: II' (1874)

Mediterranean blue

19 March 2013 by

It’s always nice to see an old friend, especially in an unexpected place. I was very pleased, therefore, and slightly…

‘Donati's Comet, 1858’: frontispiece to 'Sun, Moon and Stars: Astronomy for Beginners' by Agnes Giberne (London, 1910), an astronomical text-book for children.

Watch the skies!

15 February 2013 by

Well, today is certainly a lively day in the heavens, what with meteors over Russia and the close approach of…