Festival of Ideas & Discovery: talks, debates, exhibits, demonstrations. Interact with the latest technology and engage with 100 of the world’s most original thinkers. Takes place at ExCel, London, from 22 to 25 September.

Helen taking part in the BBC Radio 4 'Inside Science' recording, with astronaut Tim Peake and astrobiologist Zita Martins. Host Adam Rutherford asks 'What is left for us to explore?'

Talk by Helen titled: Coasts, Currents, and Conflicts.