A selection of interesting facts №26

By Ousuwo | The Minds Journal | 29 Jun 2023


Chickens see better than humans. The human eye distinguishes three colors — green, blue and red. Chickens distinguish five — they are able to see violet and ultraviolet. Therefore, they see the sunrise about an hour earlier than a person and wake up very early.

The waters of the Nile are home to the world's largest perch — the Nile, whose weight can reach almost 200 kilograms, and its length is two meters.

One of the most dangerous, according to statistics, jellyfish is the sea wasp, a small jellyfish with long three-meter tentacles. Her touch is usually fatal, and in the last half century alone, representatives of this species have claimed the lives of more than five thousand people.

Most ancient Roman sources claim that Emperor Claudius was poisoned with a soup to which a pale toadstool was added. He died on October 13, 54. However, there is a version that Claudius' poisoning is fiction, and in fact he just died of old age.

In the UK, intentionally driving through a puddle and dousing a passerby with water is a criminal offense. Punishable by a fine of up to 5,000 pounds.

The well-known gesture «OK» [thumb and index fingers folded in a circle] is considered offensive in Brazil — this is how Brazilians show that they consider their interlocutor a complete «zero» and a nonentity. Another gesture, called a «fig» in Russia, is used by Brazilians as a protective sign.

Merino sheep wool is the most expensive of all its types. So, for example, in 2004, about 100 kilograms of high-class raw materials were sold at auction by one of the fashion houses for 420 thousand dollars.

The trunks of tree ferns serve as a building material in the tropics, and in Hawaii their starchy core is used for food.

The first Saildrone sailing drone was built back in 2018. This is a small seven-meter boat that is able to maneuver independently in the open sea. It receives energy from solar panels, which allows the drone to be equipped with various sensors to study the environment. The pace of work is not particularly great, but such a ship can make autonomous flights lasting up to 12 months and conduct long-term observations without human control, although it is saved as an option. The new drone has a length of 24 m, uses wind and solar energy and can plan its own work, guided by the weather. On the first voyage, he covered 4,167 km in 28 days and mapped data on 22,000 square kilometers of the ocean floor. Now there is talk of building a solid fleet of such ships in order to map the entire ocean floor of our planet over the next decade.

The 1976 Olympic Games in Montreal had a terrible impact on the Canadian economy. Five billion local dollars had to be paid to the Olympic Committee fund for thirty long years! And at this Olympics, not a single Canadian athlete has won a single medal.

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