4,500-year-old shipwreck, Denisovan face, five qubits: how much do you know from this week's science news?

A seven-question quiz on the latest science news: the world's oldest shipwreck, the Denisovan face, thermal-camera cloaking, quantum computing and the DNA of ancient Iberia.

1. Roughly how old is the shipwreck near Kekova that may be the world's oldest known wreck?
2. Which Greek wreck was the oldest known shipwreck until now?
3. How does the new 3D cloak hide objects from thermal cameras?
4. Which feature does the first reconstructed face of the Denisovan show?
5. In which year was the existence of the Denisovans confirmed by DNA analysis?
6. How many silicon qubits did RIKEN researchers operate at once with 99.9 percent accuracy?
7. What reshaped the genetic makeup of the Iberian Peninsula's population more strongly between the 1st and 8th centuries?