Dispatches from a world in turmoil

Scientists reflect on a year of civil unrest. Writing from Syria, Bolivia, Sudan, Iran, Chile, Ecuador, Lebanon, Venezuela, Hong Kong and Catalonia, correspondents tell of altered priorities, day-to-day challenges and hope in the dark times. Scientists from Syria, Bolivia, Sudan, Iran, Chile, Ecuador, Lebanon, Venezuela, Hong Kong and Catalonia reflect on a year of civil unrest.