Robert FitzRoy's ceremonial sword to be auctioned.
Darwin walk in Ilkley, Wednesday 28th October, 2009.
Plug for 'Darwin on Facebook: How Culture Transforms Human Evolution' at the American Museum of Natural History.
Link to a post I wrote about a chart presented on the BBC website, which gives a misleadingly high impression of the church membership in the UK and Ireland.
On the complex flight patterns of starlings.