DNA

Earth had extra giraffe species all along

September 16, 2016

Earth boasts four separate species of giraffe, not one, as scientists formerly believed, according to new research. To untangle the giraffe lineage, researchers ...

Scientists Trace Black Bear Lineage

June 19, 2015

In a first-ever genomics study of black bears across their North American range, researchers have determined where they come from and how closely different ...