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An optical illusion that seems to be both a circle and a square is baffling the internet — here’s how it works
"How can it be square AND circular?" Asked one confused viewer. This optical illusion has actually baffled the internet before.
It takes people an average of 22 seconds to solve this brainteaser. How long will it take you?
There's a bee hidden somewhere among these flowers. It takes most people 8 seconds to find it — how long will it take you?
According to the Twitter user who posted it, "artists" can see the beach and its scenery, while others just see a broken door.
Summertime means beaches and sunshine and lounging about. Travel company Big Domain has created a brainteaser to celebrate exactly that.
An optical illusion that makes a stationary diamond look like it’s moving is tripping out the internet. Here’s how it works.
This purple diamond appears to be moving up, down, left, and right, but it's actually staying in one place. The trick's in the coloring of its edges.
Most people can only solve half of these puzzles in 45 seconds. How many can you solve?
Less than 1% of people can solve all 10 of these mind-bending puzzles correctly. Here’s what your score reveals about you.
The puzzles challenge you to find the missing pieces of intricate photographs in under 10 seconds.
Can you solve these three math problems that involve the mathematical value of Pi?
In this optical illusion, it seems there are five versions of Shawn Reischauer, including one who is nowhere near a mirror.