Solving hard riddles is good for you! And if you were searching for a thorough selection of hardest riddles, look no further ...

Riddles are a type of brain teaser that comes in the form of questions, sentences, or statements. Riddles are great brain exercises, as they can get the brain thinking quickly, making them one of the ...

This past summer, the pharmaceutical giant launched InnoCentive.com, a Web site where scientists from Big Pharma and start-up biotechs post problems for outside researchers to solve. Companies signed ...

There's something endlessly entertaining about puzzles of all kinds — from sudoku to brain teasers. Hard riddles allow you to feel challenged, and that moment when something in your brain clicks and ...

So, this brain teaser can be solved by only a genius within Seven Seconds. A Brain Teaser is a type of puzzle that is used to ...