The melting of Antartica

Available for over a year

How the melting ice sheets of Antartica may not be down to global warming. The discovery of a volanco under Antartica has helped explain why some of its ice is melting, but could this cause the continent's ice sheets to move apart? Also in the programme, a look at artificial life and its definition, and how geneticists in Oxford may have pinpointed the gene which causes a common form of male mental retardation.