Western politicians often represent a small segment of the population. Hélène Landemore calls for a more inclusive democracy. She will give the Cleveringa Lecture on 26 November.
Higher CO2 levels are making food crops more calorific, less nutritious and potentially more toxic. If we do not intervene, this could cause malnutrition.
Starlings and parrots can imitate R2-D2. Research shows how the structure of a bird's vocal organ determines its vocal abilities – and citizen science helped discover this.
