How quickly can natural selection work? “The Making of the Fittest: Natural Selection and Adaptation” tells the story of a living example of Darwin’s process of natural selection and shows how quickly... Read more »
Ever wonder why the dinosaurs disappeared? HHMI BioInteractive investigates the cause of the mass extinction at the end of the Cretaceous period—and the clues come from paleontology, chemistry, physics, and biology. This... Read more »
In some parts of the world, the infectious parasitic disease malaria and the genetic disease sickle cell anemia are intimately connected. What is sickle cell anemia? What is malaria? And how can... Read more »