Optimal packing problems have inspired mathematicians for centuries. Biophysicists now add a layer to the question: How do chloroplasts arrange themselves optimally within cells, when the meaning of ...

Plants fix 258 billion tons of CO2 in their chloroplasts through photosynthesis every year. For these cell organelles to work properly, they require certain minerals—particularly ions of the metals ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...