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Today Newsday and the BBC is starting off a week of programmes focusing on science in Africa. ...And what a start....Newsday's Alan Kasujja has been broadcasting from the Ugandan capital Kampala - Makerere Univeristy to be precise - for the past four hours...he's been chatting with some of the biggest scientific brains.
The big question for today is just what will it take for Africa to become a centre of excellence for science... and so - who better to tell us about the state of science in the continent, than some of the world's leading African scientists?
Now we're joined by leading NASA scientist, Dr Ashitey Trebi-Ollennu