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Bartering Orangutans
Can orangutans learn to deal with money? Astronomer Dennis Ashton tries counting all the stars in the Universe. Nasa launches a space satellite to measure space weather. Plus, why do some tunes stick in your head?
Presented by Gareth Mitchell.
Picture: Young Orangutan, Credit: Thinkstock
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1999: How the World Sounded the Year You Were Born
Batman at 60, the life of suffragette Sylvia Pankhurst and what did dinosaurs sound like?
Βι¶ΉΤΌΕΔ World Service Archive
This programme was restored as part of the World Service archive project
