We often underestimate the benefits of puzzles, thinking they are just child's play. However, according to recent research, regular brain training improves memory, promotes concentration and may reduce the risk of age-related neurological diseases in the long term.

An interesting puzzle is gaining popularity online. A very appetizing picture shows cakes, donuts, muffins, other sweets and culinary attributes. And somewhere among them is hidden an ingredient that is usually used to cook all this deliciousness - an egg. You have 17 seconds to find it.

Psychologists note that tests can even tell you about character traits. A simple optical illusion will show whether you are naturally optimistic or always looking for the worst even in happy events.

Earlier OBOZREVATEL published a puzzle that struck even geniuses. On its solution has less than 20 seconds

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