universetoday.com
Universe Puzzle No. 3 - Universe Today
As with last week’s Universe Puzzle, something that cannot be answered by five minutes spent googling, a puzzle that requires you to cudgel your brains a bit, and do some lateral thinking. Which is the ‘odd one out’? And why? aragonite, diamond, ice, olivine This is a puzzle on a “Universal” topic – astronomy and … Continue reading "Universe Puzzle No. 3"