Optical illusions are often entertaining, but they also have real value to scientists. Brain puzzles help researchers shed light on the inner workings of the mind and how it reacts to the environment. And here is another proof in this picture that few can be right. The question is simple: how many dolphins are in the picture.

In this viral phenomenon published by Gadget Grasp, there are several hidden dolphins. Some are stacked on top of each other, which is indicated by an excessive number of tails and fins. Want more help?

Note carefully that the others are not as hidden, but a distinctive outline and extra pair of eyes set them apart. And you have to keep that in mind dolphins range in size from small to large.

In a social media video posted by TikTok’s Viral Memes that includes the misleading image of the Dolphinseveral people have tried to guess the number of dolphins in the photo.

“10,” wrote one person, to which the sign replied, “Not even close.” “16,” said another person who came very close to getting the correct answer. The solution to this visual challenge is… 17!

Discover the horse in 10 seconds

Another test that brings visual acuity, concentration and calmness into play. Maybe that’s what it takes to solve this challenge: find the horse that appears in the picture in at least 10 seconds. Only 5% of those who took the challenge managed to find out.

This viral site phenomenon cool.guru He proposes to find in the illustration a horse in that scenario where a man can clearly be seen lying down and in the shade of a tree.

Some specialists in solving these visual puzzles reportedly detected the animal within 10 seconds. But the vast majority 95% could never visualize the equine.

Sure, optical illusions like this are often just for fun, but they also have real value to scientists.

According to reports, these puzzles help researchers shed light on the inner machinations of the human mind and how it reacts to its environment.

Psychologist and human perception expert at Goldsmiths University in London, Gustav Kuhn once told the paper the sun that illusions are important to our understanding of the brain: “We usually take perception for granted and rarely think about hard work.”