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Unearthing Mysteries (11.00 am R4). How big was Alexandria¡¯s Pharos Lighthouse (one of the Seven Wonders of the World)? Aubrey Manning tries to find out from underwater archaeologists and historians.
The History of Water (5.00 Discovery Channel)
Turner Prize 2000 (8.00 C4). Live prize ceremony from Tate Britain. 
? Case Notes   (9.00 R4). Hair-loss remedies.
Cutting Edge: Casualty Cops (9.00 C4). The dangers of working in an accident and emergency unit, with filming from King¡¯s College Hospital, London.
Night Waves (9.30 R3). On the Turner Prize, plus Napoleon the Novelist by Cambridge¡¯s Andy Martin.
Everyman: In the Shadow of a Saint (10.35 BBC1; 11.05 in N Ireland, Scotland, 11.15 in Wales). Ken Wiwa, son of executed Nigerian human-rights activist Ken Saro-Wiwa, goes back to Nigeria and also talks to other offspring of African heroes ¨C Steve Biko¡¯s son, Nelson Mandela¡¯s daughter¡­
Faces of Islam (11.25 BBC1; 11.55 in N Ireland, Scotland, 12.05 am in Wales). Ex-hippy John Butt, the man who brought The Archers to Afghanistan.