Brain teasers are interesting puzzle challenges that engage a reader's mind and solving them requires creative thinking and ...

Get ready to put your brain to the test with these fun and tricky visual puzzles! The challenge is simple: spot the differences between two nearly identical pictures. At first glance, they might look ...

"Connections" can often be challenging to solve, which is why Newsweek is here to help you figure out the answers.

Understanding how human neurons cope with the energy demands of a large, active brain could open up new avenues for treating ...