A Gene for Speech
Nearly half of Hilda Kearney 's 24 grandchildren have difficulty finding words to speak. When a teacher realised that the children were related she called in the scientists.
Could their research lead to a single gene that determines language ability? Chaos
Chaos is the new science of unpredictability. But beneath the surface of disorder, mathematicians are discovering patterns of astonishing beauty. Data Invaders
Following the trail of computer virus infection, from NASA headquarters to a German hackers' convention. Producers MARTIN FREETH KEVIN HULL.
MAX WHITBY Executive producer DAVID PATERSON Series producer JANA BENNETT
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