"Drone strikes: ethics and laws of 21st century warfare" by Prof Dapo Akande and Dr Alex Leveringhaus

The switch that says when it's time to sleep

"Direct action: when and why?" by Dr Kumi Naidoo

"Mapping and identifying biodiversity: using new technology to understand our ecosystem" By Prof Kathy Willis, Dr Peter Long, Dr Timos Papadopoulos and Thomas Nickson

"Artificial intelligence: examining the interface between brain and machine" with Dr Anders Sandberg

Healthier, Wealthier Cities: Linking Growth, Prosperity & Liveability

"M:Health: smartphones as saviours?" with Dr Fred Hersch and Dr Gari Clifford

"Is the global financial system safe?" with Andrew Haldane

The science behind drawing conclusions on climate change

"Big history and the place of human beings in the cosmos" with David Christian

"Where next for citizen science? Innovative uses for crowd sourcing" with Prof Chris Lintott

HuffPost Live at Davos

"Radical abundance: how a revolution in nanotechnology will change civilization" by Dr Eric Drexler

Professor Seymour Goodman – key challenges for cyber security capacity building

Professor Angela Sasse on global cultural challenges in cyberspace