Ethical challenges of studying historical DNA that connects living people to enslaved and free African Americans at Catoctin Furnace, an early ironworks (18th–19th century)
Ancient DNA sheds new light on the movement of animals and humans in the Caribbean where each island can be a unique microcosm of life
An ancient population of Arctic hunter-gatherers, known as Paleo-Eskimos, made a significant genetic contribution to populations living in Arctic North America today
