Take the pressure off of problem-solving with engaging thinking games that encourage students to work together to find ...
If the cards shown here are rearranged to form four new poker hands of five cards each, what is the lowest possible winning ...
Subscribe to Scientific American to learn and share the most exciting discoveries, innovations and ideas shaping our world today.
Maths was a subject many of us dreaded during our school days. The equations, the formulas, the endless sums – they all seemed like a mountain too steep to climb. But there was always something ...
While many scroll past riddles and puzzles without a second thought, there’s a growing number of online users who pause, squint, and dive headfirst into these brain-twisting challenges. For them, a ...
If you are looking for engaging experiences that aren’t overwhelming, try the plethora of puzzle apps available. There are ...
The hour, minute and second hands of this clock are all the same length and move smoothly in a circle. The dial contains hour and minute markers, but the numbers are missing. Therefore, it’s ...