Flying higher
The aviation sector emits around 2-3% of global greenhouse gas emissions. But while airlines have promised to halve their carbon footprint by 2050, passengers and global cargo are expected to increase significantly over the next 30 years, Anthony King reports
Breath-taking diagnosis
Breath analysis can detect distinctive metabolic changes that are among the earliest signs of disease. But could it one day replace blood tests for certain conditions? Katrina Megget reports
Solving challenges through innovation
Neil Simpson and Paul Evans ask if the chemical industry can solve radical challenges through innovation?
All that glitters
Modified graphene-based materials have the ability to interact with and scatter light – work that could lead to better, faster computers, Jon Evans reports