Swiss drones: a diverse ecosystem

Photos: Pupils take a look at their own school

Editorial: School for the many, not the few

Federal elections: how the pollsters predict

Cellulose in a winter wonderland

Materials: nature as inspiration

Where danger becomes visible

From fumes to fertiliser

The multi-coloured forest

Academia aims to reduce its own CO2 emissions

Images: urban emotions

Glacier slice

Nerve cells on a chip

The cost of Big Science

Never-ending pain

Images: Big Science vs other big projects

Old and alone in Nepal

Bacteria create bio-concrete