Tonight, a special edition from Siberia features the forensic scientists investigating the mystery of the 2,500-year-old high-priestess found in a frozen grave, and a visit to Yakutsk where the Institute of Eternal Frost is trying to prevent buildings anchored in the permafrost from succumbingto global warming. Plus, from Lake Baikal , the efforts to save an endangered species of seal. Presented by Howard Stableford and Shahnaz Pakravan.
Producer Andrew Thompson ; EditorEdward Briffa Further information on Ceefax page 623 or the Tomorrow's World Web Page on http://www.bbcnc.org.uk/bbctv/tworld ore-mail Tomorrow's World on tworld@bbc.co.uk
♦ See Carol Vorderman : page