Monica Grady from the Open University discusses the latest news from the comet mission.
The disappearing art of the hand-written letter and three stories of love
Philae's COSAC instrument detects organic materials on Comet 67P
A radical use of cell phone positioning data to map the spread of Ebola
Will sanctions force President Putin to change course in Ukraine?
European Inventor of the Year, Chris Toumazou, on the science of invention
A Bangladeshi textile magnate and a British clothing retailer compare experiences
As politics changes - does our food follow suit?
Why do we read, or write poetry, as opposed to prose?
Sir Paul Nurse, virologist Wendy Barclay and Nasa's Ellen Stofan on 50 years of science