Evolution Is It Always Genetic?- Petri Dish

Evolution: Is It Always Genetic?

Biologists have always maintained that evolution happens strictly and solely inside the genome. Find out how scientists looking at a variety of yeast have challenged the orthodox view. (3:30 min read)

Neanderthal DNA - Professor Looks at Skull

Neanderthal DNA Leaves Winding Trail

Neanderthal DNA has turned up in present-day African's genes. Find out how this stands current theories about early human history on their heads. (5:00 min read)