THIS is the optical illusion that puts your brain to the test as you try to work how many legs this elephant has. Everyone can see the exotic animal, but only those with 20/20 vison and a high IQ ...
Among those that constitute the fascinating subset of brain teasers is a visual skills test. The tests challenge your power to use thought critically and to solve problems in an amazingly playful way.
Optical illusions are amazing visual puzzles that challenge how we see the world around us. These illusions confuse the eyes but also sharpen cognitiv ...