Problem: Which island in the Inner Hebrides became a burial place for several kings of Scotland, Ireland and Norway?
Answer: iona

Problem: October 2, 1950 saw the debut of what comic strip which ran until creator Charles M. Schulz's death on Feb 12, 2000?
Answer: peanuts

Problem: A QR, or quick response, barcode is a machine-readable label, and encodes virtually any type of data including the standardised modes of alphanumeric, binary, numeric and what other kind?
Answer: kanji

Problem: Which organisation (perhaps surprisingly to some) won the Nobel Peace Prize in 2012?
Answer:
european union