This activity was supported by a contract between the National Academy of Sciences and the Bill & Melinda Gates Foundation (INV-039679). Additional support was provided by the National Academy of ...

Population dynamics is a topic in ecology and evolutionary biology that investigates the temporal and spatial variation in population size, structure, and composition, and the processes that drive ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

Researchers have uncovered a critical link between rising temperatures and declines in a species' population, shedding new light on how global warming threatens natural ecosystems. The study revealed ...

While the daily ebb and flow of people across a city might seem chaotic, new research reveals underlying universal patterns. A study unveils fundamental spatiotemporal scaling laws that govern these ...

Although often excluded from research on social and economic development, women’s empowerment has been an important factor. Women contribute to social and economic development as workers, mothers, and ...