Having children means being a puzzle-solver in ways big and small.

Following is a transcript of the video. Narrator: This is the iconic Rubik's Cube. A 22-year-old in Australia can solve it in a record 4.22 seconds. Others might spend hours, days, weeks, or even ...

Erno Rubik was an interior design instructor in Budapest in 1974 ... Rubik fashioned a fist-size cube from smaller cubes that could turn while still hewing to the whole. The cube was built to ...