From 2003 to 2019, amateur butterfly enthusiast Harlan Radcliff spent his lunch breaks observing butterflies on the grounds ...

The study was one of several that assessed the effects of climate change on three species of butterflies whose populations are declining.

Demography is about more than just people. It’s about the foundation of society, culture, and economy – and it’s deeply ...

Researchers at the Max Planck Institute for Evolutionary Anthropology in Leipzig have studied the influence of group identity ...