The human population has experienced a period of unprecedented growth, more than tripling in size since 1950. It reached almost 7.8 billion in 2020 and is projected to grow to over 8.5 billion in ...

and human population growth (e.g., how fast will the ... have observed that the size of many populations fluctuates over time rather than remaining constant as logistic growth predicts.

Humans’ impact has been so profound that scientists have proposed that the Holocene era be declared over and the current epoch (beginning ... now are fundamentally different from those at any other ...

“I think the key finding is that we are documenting for the first time a hominin population that we did not know we had in Europe.” Chris Stringer, a research leader in human evolution at ...

Over the past three decades, societies around the world have made remarkable progress in improving population data gathering ... capture the full range of human diversity so that everyone is ...

The spread of population across the ... sapiens rather than other archaic human species. Experts conducted luminescence dating, which analyzed the last time the fragments were exposed to sunlight ...

New research has provided fresh insights into how bird songs evolve over time, revealing a significant role for population dynamics in shaping song diversity and change. The findings are based on an ...

Today, more than half of the world’s population – 4.4 billion people ... services and economic opportunities in Niger, benefiting over 1 million people. The World Bank-financed project completed 99 ...