A tricky new brainteaser, that 99 percent of people can’t solve, is actually easier than you might think. The video, which shows a ‘classic topology puzzle’ was shared by ‘@stunningscenes0’ on TikTok.

Brain teasers are not child's play. It may seem so, but science disagrees. These visual IQ puzzles are a compact gym session for your brain. When you challenge yourself with a puzzle, you train your ...