OUR ancestors mated with a species of ancient hominin called the Denisovans at least twice. The discovery suggests our extinct cousins were widely spread across Asia, and may have coexisted happily with modern humans. The Denisovans were unknown until 2010, when a fragment of bone was found in Denisova cave in Siberia. When a team sequenced its surviving DNA, they found it didn't belong to known hominins, such as Neanderthals.
展开▼
