Almost everywhere in California, salmon are on the decline. But in Putah Creek—a restored stream running through the ...

A study of a woman who died in 2024 as the oldest person on Earth attempts to untangle the factors that enable some people to ...

Butterfly populations are plummeting worldwide, with experts citing habitat loss, pesticides and climate change as key ...

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 ...

"We are in a place where the biology of aging has been demystified ... where he found that a genetic variation in about 10% of the population allows them to live, on average, a decade longer ...

The Kerala Plus Two Biology Exam 2025 was held as per the ... reduced dependency on hybrid seed production. 10. (a) What is population density? Answer: Population density is the number of ...

CalCOFI is a long-term, interdisciplinary, cross-sectoral ecosystem research program off the coast of California that holistically studies the physics, biogeochemistry, and biology of the marine ...

Mar. 4, 2025 — A vivid new image is taking shape in the world of cell biology: Imagine bacteria adhering to the surface of a cell, perhaps at the site of an injury or wound. In response ...

Technically known as a "bottleneck", this genetic loss is frequently the consequence of a reduction in the number of individuals of a population. The ancient DNA data indicate that the decline in ...

“Even though the Fulani are a huge population group of more than 40 million people, they are still largely underrepresented in genomics research. Therefore, this study has important implications for ...