Researchers from Charité - Universitätsmedizin Berlin and the Max Delbrück Center have identified the precise mechanism by ...

Puzzlers from across the country will descend on Washington this weekend for the USA Jigsaw Nationals. The piece flipping ...

When I was growing up, my Aunt Ann always gave each of us kids a jigsaw puzzle for Christmas. It was one of my favorite ...

The Giiker Super Slide Puzzle just hit its lowest price in years, and since it includes over 500 puzzles, it'll keep you ...

Now, more than 122 years after it was first proposed, Kamata and two other mathematicians have finally proved that a solution ...