logic

Ten squared is a magic square brain teaser, a great pastime for iPhone and iPod touch. Starting from any box of the square, you must find the path th……click here to continue reading

A brief, interesting clip from National Geographic’s “Ape Genius” documentary, demonstrating problem solving skills in chimpanzees,……click here to continue reading

www.ted.com At the 2008 EG conference, famed puzzle designer Scott Kim takes us inside the puzzle-maker's frame of mind. Sampling his career'……click here to continue reading

In one room there are 3 light switches which are connected to 3 lights in another room. You can only check the lights once. Here's how to do it. ……click here to continue reading

How can you find out which switch goes to which light? You can only go in the other room to check the lights one time. The solution video is here: ww……click here to continue reading