Jim Al-Khalili talks to neuroscientist Barbara Sahakian about her Life Scientific.
BBC World Service Online
1/2 Amundsen may have beaten Scott to the South Pole but science was the real winner
On the Brahmaputra, counting and saving the Ganges River Dolphin.
Nasa's Curiosity robot lands on Mars – the search for extraterrestrial life steps up.
Gareth Mitchell meets the engineers who are designing flying cars and green aircraft.