AI runs unfathomable operations on billions of lines of text, handling problems that humans can't dream of solving – but you ...

Puzzle feeders encourage pets to move around and work for their food, promoting physical activity and helping manage their weight. A study by the University of California, Davis found that "dogs who ...

Others strategize their way through a sudoku grid or work out a word search not necessarily because they enjoy it but because ...

Test your vision now! Spot the hidden spoon in 11 seconds and join the elite 1 in 20 with perfect eyesight who can complete ...

NPR's Ayesha Racsoe plays the puzzle with Puzzlemaster Will Shortz and KNPR listener Lisa Rock of Las Vegas, Nev.

Think you're among the brightest? Test your IQ by solving this brain teaser in 9 seconds. Only those with an IQ above 135 can ...

This tricky brain teaser showcases a set of numbers that are overlapping each other. At first glance, it’s easy to spot 6, 8, ...