Daily use of sunscreen protects against skin ageing: evidence from first randomised trial 
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E O WILSON
World renowned American biologist E O Wilson explains why, despite centuries of research, a large percentage of all life on earth is still unknown to science. He explains how his online Encyclopedia of Life could prove useful for documenting every new species that is discovered by amateur scientists.
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HANS ULRICH OBRIST
The world’s most powerful arts personality, Hans Ulrich Obrist, reveals it’s not painters or sculptors we should be keeping an eye out for in the ever-evolving world of art, but art curators like himself.
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RAYMOND GEUSS
Philosopher Raymond Geuss is a constant critic of the liberal ideas of rights and justice that have dominated Western political thinking for the last 50 years. He believes they could turn out to be an evolutionary mistake.
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THE PRESENTER AND GUESTS
Hans Ulrich Obrist, Rana Mitter and Raymond Geuss outside the studio
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THE FORUM GALLERY
Photos by Ursula Smyth
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60 SECOND IDEA TO CHANGE THE WORLD
In our 60 Second Idea to Change the World, Raymond Geuss suggests industrialised nations should start to close down all their motorways, permanently, lane by lane.
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IN NEXT WEEK'S PROGRAMME
Senior Fellow in the Public Understanding of Philosophy at Warwick University, Angie Hobbs, assumes the presenter’s chair to hear renowned American novelist EL Doctorow discuss obsessive hoarding and the search for meaning. She also learns 'How to Live' according to Montaigne and finds out about the stories that science forgot.
Broadcasts
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BBC World ServiceSun 10 Jan 2010 09:05 GMT BBC World Service
Free downloads
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Forum - A World of Ideas
Ideas from the world's biggest thinkers. Hear philosophers, scientists, politicians, novelists,...
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Forum - Sixty Second Idea to Improve the World
A radical, inspiring, controversial idea from a global thinker from the world of philosophy,...
