In the midst of today's global extinction crisis, decisions about conservation should include prioritizing how best to preserve as much of the tree of life as possible. So say researchers who report ...

The world's first ranking of evolutionary distinct birds under threat of extinction has been published by a team of international scientists. These birds include a cave-dwelling bird that is so oily ...

Phylogenetic diversity measures the total evolutionary history represented by a set of species, capturing branch lengths on the tree of life rather than treating all species as equally distinct. By ...

A given polished concrete floor may not be the same as another polished concrete floor. The DOI meter and the ASCC’s Polished Concrete Appearance Chart are a significant step in defining the ...