Structured population models integrate the inherent heterogeneity of populations by characterising individuals through distinct traits such as age, size, or physiological state. These models have ...

PARIS (AP) — What is bigger: A ronna or a quetta? Scientists meeting outside of Paris on Friday — who have expanded the world’s measuring unit systems for the first time this century as the global ...

The long-running debate over the ideal city size has an answer, with a new study pinpointing the "magic number" of residents where sustainability and livability peak. The paper is published in the ...

RICHMOND, Va. (WRIC) — Virginia spans over 42,000 square miles of both land and water, making it the 37th largest state by area. But how does the state measure up to other states and countries?

There are no statistically significant differences in key factors of population growth -- breeding, birth, survival, life span and death -- between dehorned or horned black rhinos new research has ...