EarthJane Goodall: 'There is no problem in having empathy' Fifty years after she began studying chimps, the conservationist explains why emotional involvement helped her understand them – and could save them Opinion
The Royal Institution's festive feasts for the mind From Michael Faraday to David Attenborough, many eminent figures have given Christmas lectures at the UK's Royal Institution – see the hall of fame 51¶¯Âþ