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.

These data for the US human population suggest something general ... the estimate of the intrinsic rate of natural increase; over a short period of time, tends to decrease. This means that there ...

Humans’ impact has been so profound that scientists have proposed that the Holocene era be declared over and the ... from those at any other time in history. . . . We live on a human-dominated planet ...

“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 ...

Now it turns out that some birdsongs also contain a hidden world of shared language, with varying local accents and dialects ...

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 ...

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 ...

As human populations have grown over the centuries ... leading to a steadily declining population over time. More information: Jared D. Wolfe et al, Climate change aggravates bird mortality ...

Today, more than half of the world’s population ... benefiting over 1 million people. The World Bank-financed project completed 99 infrastructure projects and constructed 66 km of roads, reducing ...

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 ...