Brain-training games may have cognitive benefits, but other challenging activities are proven to help our brains function at ...

If you’re looking to keep some riddles for adults in your back pocket as a way to strike up ... Answer: A clock. Next, give your brain a workout by trying to solve these tricky animal riddles. 57.

The post reads: "If 5 = 15, 7 = 21, then 10 = ?” With over 1.9k views and more than 130 comments, this seemingly simple ...