Toy enigma that challenges ingenuity. Solutions to puzzle may require recognizing patterns and creating a particular order. People with a high inductive reasoning aptitude may be better at solving these puzzles than others. Puzzles based on the process of inquiry and discovery to complete may be solved faster by those with good deduction skills. A popular puzzle toy is the Rubik's Cube, invented by Hungarian Ernő Rubik in 1974. Popularized in the 1980s, solving the cube requires planning and problem-solving skills and involves algorithms. There are many different types of puzzles, for example a maze is a type of tour puzzle.
Professor D Professor D Damon Sajnani, better known by his stage name Professor D or ProfessorD.us is a Canadian rapper and assistant professor based in the United States. He is the lead vocalist of The Dope Poet Society and professor of African Cultural Studies at the University of Wisconsin - Madison where he teaches courses on Hip Hop and Politics in Africa and around the world. He was the inaugural Nasir Jones Hip Hop Fellow at the W.E.B. Du Bois Institute at Harvard University in 2014-15. He is known for rapping about social issues and global politics with sophisticated rhyme structures and