The researchers observed various behaviors, including fidgeting and movement patterns, both of which ... and non-ADHD users were timed on various puzzles that got increasingly more difficult.

Ever the good husband, Jeff did buy Linda 38 puzzles for their 38th wedding anniversary. “I think it's her peace,” Jeff says of his wife's hobby. With room at home for only so many pieces, Linda ...

While there’s never any hard number on that, constructors have often used 16 percent of the grid as a benchmark. As one ...

Think you've got eagle eyes and a lightning brain? Here's a challenge to test your observation skills! Hidden in this lovely ...

Can you find the hidden seashell in this park scene in just 5 seconds? This Picture Puzzle IQ Test is a fun brain teaser ...

A maths professor challenges students with a number puzzle sequence: 3, 8, 15, 24, 35, ?. Can you find the mysterious number?

January was expected to be cooler than the same month last year, but was 0.1C warmer, which experts are struggling to explain ...

3. Sort pieces by shared features, such as similar colors, patterns, or sections of the image (e.g., sky, trees). 4. The pieces in some puzzles can be sorted as horizontal or vertical, based on ...

Can you spot the odd teddy bear in just 5 seconds? This Picture Puzzle IQ Test is a fun challenge to test your observation ...

Puzzles have intrigued human minds over centuries, giving the just-right blend of challenge and satisfaction. Whether it is a ...

NYT's Connections is a challenging digital puzzle game requiring players to group words into thematic categories based on ...