New map of Universe's dark matter

Professor Ofer Lahav (UCL Physics & Astronomy) and colleagues have collaborated on the Dark Energy Survey to create the most accurate map produced of the dark matter in our Universe. Read: BBC News, Listen: BBC World Service 'Newsday', More: BBC Radio 4 'PM' (from 47mins), UCL News, BBC World Service 'Newsday' (from 17 mins 16 secs), BBC Radio 5 live '5 live Science' (from 10 mins 15 secs), The Naked Scientists