ShowbizBit of a dry spell...Ooh, that sand, it gets everywhere doesn't it?Libby Norman|Metro Life11 April 2012DESERT WEEKIf you're dreaming of warm sand between your toes, head down to the Darwin Centre to find out how blistering heat and drought create extreme conditions for the plants and animals that live there.Natural History Museum, Darwin Centre, Cromwell Road, SW7 (020-7942 5000). Mon 10-Thur 13 Jan, 2.30pm, ends Sat 15 Jan, free.MORE ABOUTDroughtMuseumsNatural History