THE RED HAND PRINT OFTEN APPEARS ON A PERSON’S FACE AT RALLIES TO SOLVE CASES OF MISSING AND MURDERED INDIGENOUS PEOPLES, AND THAT POWERFUL PROTEST SYMBOL SAYING, WE WILL NOT BE SILENCED IS NOW ...

There is also a series of numbers reading: "19,11,11,?,12." You need to find the missing number in just 10 seconds or less to prove you're an official smarty pants. There's not even enough time to ...

Interestingly, the skills developed through solving brain teasers can translate to real-world problem-solving. For instance, ...