Lobsters have clear blood. Most of us are well aware that lobster shells change color when exposed to heat, but the sea creatures' blood is also intriguing.

Lobster blood is initially clear and turns blue when it hits oxygen.

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Starfish do not have blood in the same way that humans and many other animals do. Starfish have a unique circulatory system called a water vascular system, which is responsible for the circulation of nutrients and gases throughout their bodies.

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The smallest cat on record was a male blue point Himalayan-Persian, named Tinker Toy that measured only 7 cm (2.75 in) tall and 19 cm (7.5 in) long when full grown (aged 2.5 years). The unusually tiny feline was owned by Katrina and Scott Forbes (USA) of Taylorville, Illinois, USA.

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The longest pregnancy in humans on record is 375 days (12.5 months).

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The Guinness Book of World Records originated from an argument over the fastest game bird in Europe. The idea came about in the early 1950's when Sir Hugh Beaver (1890—1967), Managing Director of the Guinness Brewery, attended a shooting party in County Wexford. There, he and his hosts argued about the fastest game bird in Europe and failed to find an answer in any reference book.

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The brain does not get tired of mental work. The person feels mentally tired due to an emotional or psychological condition. The only thing that can really tire the brain is lack of sleep.

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The cornea of the eye is the only part of the human body with no blood supply. It gets nutrients and oxygen from the air and Tear Fluids.


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In 2009, Brian Acton wanted to apply for a job at Facebook but was turned down. A few months later, he and a friend created WhatsApp, which Facebook bought from them in 2014 for $19 billion.

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All humans are more than 99% genetically identical. Despite the vast diversity in physical appearances and individual traits, the genetic differences between humans are quite minimal. The DNA sequence of humans is remarkably similar, with the majority of genes and genetic variations shared across different populations.

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If you were to lay out the vast network of blood vessels from an average child end to end, they would stretch for over 60,000 miles (96,560.64 km). In an average adult, they would stretch for almost 100,000 miles ( 160,934.4 km).

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The world's oceans are so poorly explored that if you dive deeper than 3500 meters, there is a high probability that you will encounter a new species of animal unknown to science.

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Why do you sleep so well in the rain?
Large predators do not hunt in the rain, and our distant ancestors felt safe at this time. This instinct has been preserved at the genetic level, thus allowing you to enjoy the calm atmosphere of rain.

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Swiss craftsmen have created the smallest working revolver in the world. Its length is 5.5 cm, weight - 19.8 g, caliber - 2.34 mm, bullet weight - 0.128 g.

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The name "Samsung" originates from the Korean language and symbolically translates to "three stars." The founder of the company deliberately selected this name with the intention of embodying the qualities of strength and longevity, reminiscent of the timeless radiance of stars in the vastness of the sky.

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Red Wine Kills Cancer Cells. Resveratrol--a compound extracted from the skins of red grapes--can effectively fight cancer even after the body has metabolized it and converted it into other compounds.

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All pandas in the world are on loan from China.

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