Tired of the screen-time battle? Here are 30 free activities for elementary kids that will keep them entertained, engaged, and off their devices.

Craft Lab this month will be on Thursday, Sept. 24 at 4 p.m. For more information or to register, please stop in or call the ...

If you enjoy the daily ritual of solving a crossword over your morning coffee or, like me, squeezing in a Sudoku during your break, you don’t need an expensive subscription. These puzzle apps and ...

A 30° – 60° – 90° triangle is packed with an infinite number of circles. Due to time constraints, only a few circles are drawn, although they are infinite. The circles are tangent to adjacent circles ...

International Day of Mathematics lights up the calendar every March 14. This global celebration invites everyone to explore the beauty and importance of mathematics through engaging activities and ...

A blizzard is a real test of the social contract. Nature dumps 12 to 18 inches of inconvenience uniformly across an entire community and leaves it up to you and your neighbors to sort out the mess.

Earlier today, the White House National Energy Dominance Council and partnering agencies released a “Statement of Principles Regarding PJM.” These principles come out of “an agreement with governors ...

Marijn Heule turns mathematical statements into something like Sudoku puzzles, then has computers go to work on them. His proofs have been called “disgusting,” but they go beyond what any human can do ...

Randomly scramble the digits 0, 1, 2, 3, 4, 5 and 6 to form a seven-digit number (or a six-digit number if the leading digit is 0). Rank the following events in order ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Gaming, at its core, is just a series of puzzles: some meditative, some maddening. I'm Not A Robot splits the difference, turning the mundane act of proving your humanity into a spiraling test of ...

Here's how to get started in Pokemon Friends. To earn yarn, you have to solve puzzles in the game. To get to these puzzles, tap the Psyduck tile with the word Untangle near the bottom of the screen in ...