Puzzle: In Boxes [Preview]
Our year-end crossword challenges your knowledge of science. Try the printed puzzle or a harder version.
The atomic symbols on the puzzle page are all you need to fill in the highlighted squares. Some appear in the grid more than once. The 12 highlighted answers relate to articles that appeared in Scientific American in 2007—one for each month.
Click here for PDF containing the original puzzle
This article was originally published with the title In Boxes.
ABOUT THE AUTHOR(S)
Patrick Merrell is a professional puzzlemaker, cartoonist and graphic designer. He is
the author of many books, including his latest, Coffee Time, an extensively researched compendium of coffee lore, trivia and puzzles. Merrell regularly contributes crosswords to the New York Times and the American Crossword Puzzle Tournament. He is also
the creator of Sci-Doku (like Sudoku but with a couple of twists), available at
www.SciAm.com. Find his Web site at www.patrick.merrell.org