Changes to the Sprint format are being eyed by Formula 1 and its chief executive Stefano Domenicali who said he wants to ...

A 13×11 grid filled with “858” plays a trick on the eyes - only one box is different. Can you find the odd number before time runs out?

A grid filled with repeating 202s hides one small mistake - a “2o2.” Can you find the typo before it drives you nuts?

Just minutes after PREMA Racing’s Robert Shwartzman realized he had earned the pole position for next Sunday’s Indianapolis 500, he found himself overwhelmed by the question of whether he ...

combinatorics The Number 15 Describes the Secret Limit of an Infinite Grid The “packing coloring” problem asks how many numbers are needed to fill an infinite grid so that identical numbers never get ...

The number of plants that were forced offline today is “very concerning” Lasher said. “We operate the grid with the resources that we have available,” he said.

A CARDINAL NUMBER is one that denotes quantity (like "one" and "two" but not "first" and "second"). A PRIME NUMBER is any NUMBER greater than one that can only be formed by multiplying one and itself.

The number of confirmed or suspected attacks affecting the power grid in Washington state had reached a decade-high last year, even before four electrical substations in Pierce County were ...