Nelson has also presented a number of science series on Radio 4 , including Britain 's Modern Brunels and Citizen Scientist in 2006 .
She was a presenter of The Material World on BBC Radio 4 .
Nelson has also presented a number of science series on BBC Radio 4   , including Britain 's Modern Brunels and Citizen Scientist in 2006 .
She was a presenter of The Material World on BBC Radio 4 .