Which coins should you weigh, and how many real coins can you definitely find? Show puzzle solution You will be able to find at least 11 genuine coins. To do this, start anywhere and number the ...

This collection of Halloween word searches is a perfect activity to get you and your family in a witchy mood. These puzzles ...

We’d love to hear from you! E-mail us at [email protected] to share your experience. This puzzle originally appeared in Spektrum der Wissenschaft and was reproduced with permission. Hans-Karl Eder ...