The latest genetic studies reveal that 7,000 years ago, the Sahara was home to a distinct group of people. This community ...

What are ways species exchange genes with each other? Hybridization and gene flow are shortcuts to biodiversity that don’t always involve differentiation. By continuing to study hybridizing ...

What keeps a species coherent over time? "Gene flow" between the different populations of a species is one main explanation. Because members of a species usually interbreed only amongst themselves ...