This Click and Learn explains how DNA sequences can be used to generate such trees, and how to interpret them.
Comparing features of a 4.4-million-year-old fossil skeleton to those of human and chimpanzee skeletons sheds light on our evolutionary history.
Lactose tolerance, sickle cell anemia, and bitter taste perception are three examples of recently evolved human traits.
Lactase persistence results from a mutation that changes how transcription factors interact, thereby affecting gene expression.
Paleoanthropology provides an excellent example of the scientific process at work.