Archaeology is not only about stones and bones: it is mainly about the people of the past. DNA is one way to get from the stones and the bones to the people and their stories.
A rush of ancient DNA projects in Africa has presented the curators of archaeological skeletons with ethical issues because research requires the destruction of human bone.
Good science isn’t rooted in chance. It’s based on people with expertise being in the right place at the right time, equipped with enough knowledge to know what they’re looking at.
An old technique to explore the inside of fossils unfortunately ended up destroying some unique specimens. New technology has been used to reconstruct one such fossil.