Did Vikings have blue eyes?

Related questions

1. What did the Vikings eat?
2. How does Ivar Lothbrok die?
3. Why did Vikings shave their heads?
4. Is Ragnar Lothbrok a God?
5. What is a female Viking called?
6. How did Vikings die out?
7. Who killed Ragnar?
8. Is Rollo real?
9. How tall is Ragnar Lothbrok?
10. Why did Vikings not have horns on their helmets?

Tags

1. #today
2. #humans
3. #alive
4. #mutation
5. #ancestor
6. #shows
7. #research
8. #common
9. #university
10. #single
11. #years
12. #cause
13. #which
14. #colour
15. #place
16. #people
17. #genetic
18. #copenhagen
19. #planet
20. #tracked