Possible Clues:

• Cleverness
• Inventiveness
• Power of creative imagination
• Get in uni abroad, taking first year with skill
• Cleverness of northern native enemy ultimately concealing information
• Roughly one guy in ten showing skill
• One untying knots without electronic skill
• The cleverness of Arctic people concealing information on source of yoghurt
• Cunning
• Information concealed by Eskimo with unknown invention