It's a Dog's Life: Most of the 500 dog breeds round the world are affected by at least one genetic disease; how DNA mapping might helpFeatures
Battle for Brazilian mahogany: One of the world's most beautiful woods could disappear from the market within 15 years, say forestry scientists, the latest attempt to impose strict controls on loggingNews
Wildlife's road to nowhere?: Corridors connecting fragmented islands of natural habitat are all the rage. John Bonner asks whether they are routes to survival for threatened species or expensive dead endsFeatures