Once again, by popular request, today we bring you 10 more facts that sound totally thought out, but are actually true. We strongly recommend sharing these treats with your friends and family to get a “WTF” response. You'll likely go to Google to confirm it later, only to find that you were actually right. We promise you that these are completely true facts, even if it sounds stranger than fiction. Seriously … you can't make this stuff up.
10th Polar bears are invisible to night vision devices
Polar bears are among the most terrifying and impressive predators in nature. You can claim to be the largest land predators in the world. A male bear stands up to ten feet high on its hind legs and weighs far more than twice as much as a large male African lion Mythos . However, they still manage to remain very well camouflaged in their icy habitat, and this has made it extremely difficult to track their movements from the air.
Attempts to follow the animals at night proved to be even less successful when scientists discovered them. It is a great surprise that angry polar bears or polar bears in some other mood are almost invisible to sophisticated night vision goggles.
How exactly polar bears handle this pretty trick has been the subject of some debate. There is no doubt that polar bears can store heat well, or they would not survive long. However, night vision glasses do not absorb as much heat as the infrared radiation that is emitted by this heat.
How polar bears prevent this radiation from escaping is more difficult to explain . It is known that these giant animals are endowed with an unlikely stealth ability.
. 9 The United Kingdom is a tornado hotspot.
A typical tornado is a swirling funnel made of air that extends into the sky at a height of approximately 2,000 feet above the ground. They arise when warm, humid air collides with cold, dry air and even a relative releases enormous amounts of energy. Enough estimates to power all of the world's electrical devices at once.
Tornadoes are often associated with the United States of America, with some states even enduring an official tornado season. The United States is affected by more than 1,000 tornadoes per year, but the United Kingdom is experiencing more, measured by square mile.
This news would surprise most Britons who do not know that they live in the world. ] Tornado hotspot . However, European tornadoes are usually far more modest than their American relatives, so that they can slip away largely unnoticed.
Tornadoes are measured on the Enhanced Fujita Scale . This ranges from F0 tornadoes with a wind speed of 65-85 MPH to F12 tornadoes with a wind speed that is slightly above the speed of sound. The tornadoes in the UK are usually at the F0 end of the scale. Fortunately for everyone involved, at least under the current conditions, F12s are not possible on Earth and limited to planets like Neptune.
8. Scientists made goats that produce spider silk
Spider silk is one of the most extraordinary substances in the universe. It's up to 1,000 times thinner than human hair, but five times stronger than steel. In addition, it is flexible, moisture-resistant and retains its considerable strength even at extreme temperatures.
These properties make spider silk extremely useful for a variety of applications. The problem is that it is difficult to get large quantities. Attempts to set up spider farms have had limited success because the spiders usually do not mix well and tend to eat each other. According to the managing director of Nexio Biotechnologies, it's like trying to breed tigers.
Scientists decided to work around this problem by implanting spider genes in goats. Genetically modified arachnids are much easier to handle, and their milk contains silk proteins that can be extracted and used for a variety of purposes.
The potential applications are large, but some even more remarkable suggestions related to the development of bulletproof skin and spider silk suspension bridges
. The coldest temperature ever measured was in Massachusetts.
The universe is characterized by unimaginably high and mostly very cool temperatures.
With temperatures of around minus 350 degrees Fahrenheit, Neptune vies with Uranus to record the coldest planet in our own solar system. The deepest space is even colder, with temperatures of minus 455 degrees Fahrenheit deep and immediately hostile to life.
Massachusetts, in the northeastern United States of America, although it is often more than a little cool, is largely deemed overall more comfortable, and scientists have recorded the lowest temperature ever recorded .
In theory, temperature can never drop below absolute zero or minus 460 degrees Fahrenheit, which is the point at which atoms lose all of their energy. Absolute zero has never been recorded and it can be practically impossible to ever get that cold.
In 2003, researchers at the University of Massachusetts, however, succeeded in cooling a cloud of sodium atoms to only a few billionths of a degree above this temperature. This was the coldest temperature ever measured in Massachusetts, and possibly the coldest temperature the universe has ever seen.
6. The world's largest waterfall is under water
The Niagara Falls are arguably the most famous waterfalls in the world. Over 3,000 tons of water sink over the waterfalls every second and attract eight million visitors every year.
As impressive as this is undoubtedly, compared to the largest waterfall in the world, it is next to nothing. This distinction belongs to the giant, the Denmark Strait Cataract which has a fall height of two miles and an almost 2000 times greater water flow than even the mighty Niagara Falls.
Despite these impressive numbers, the Denmark Strait Cataract is largely unknown and rarely visited. This is not least due to the fact that it is deeply under water in the Atlantic between Greenland and Iceland.
The concept of an underwater fall seems a bit strange, but it is possible because cold water is much denser than warm water. When the two meet at Denmark Strait Cataract, the cold water sinks to the sea floor and produces by far the largest waterfall in the world. Just don't expect it to appear on too many tourist postcards.
. 5 The longest musical performance in history is set to 639 years
In the musical notation, the slowest tempo mark is called Larghissimo, which usually indicates a tempo of lethargic 10-20 beats per minute. Compared to the longest and slowest piece of music that was ever performed this tempo is positively manic.
In a church in Halberstadt there is an organ that has been playing the same chord since October 2013; it is not planned to switch to the next chord before September 2020. This is the slowest section of the slowest musical performance in the world and the longest section that remains unchanged. But even in the liveliest phase, there have been only three chord changes in the past twelve months.
This is all part of a performance by the composer John Cages "As Slow As Possible", which started in 2001 and is said to last for 639 years and is approximately as long as the specially constructed organ. that the organ survives in perfect condition.
Not all residents of Halberstadt enjoy the performance, and the organ had to be hidden behind a plexiglass window after the locals complained about the endless, booming noise.
] 4. People can escape horses
People may not be the most physically impressive members of the animal kingdom. We are not particularly violent, fast or strong. Without our oversized brains and contradicting thumbs, we would most likely have followed the path of the dodos a long time ago.
There is nothing more than a physical discipline in which people excel: We are one of the largest  long-distance runners on the planet.
The cheetah is the fastest land animal in a sprint, but at extreme distances they would have no chance against the best of humanity. We are even able to run down animals that have been specially developed for the endurance of horses and wolves.
This ability was of great help to our ancestors in the hunt for lunch and was courtesy of our approximately seven million sweat glands. In contrast, some mammals such as rhinos, hippos and pigs cannot sweat at all. Other animals, including our closest relative, the chimpanzee, have far less sweat glands than we do. This makes people extremely efficient when it comes to cooling our bodies in motion.
In the modern world, few people have to put so much effort into eating a meal, but there are endurance races where people compete against animals.
Every year A Welsh village in the UK sets one-on-one in a race over a distance of 35 kilometers. The horses have a good nose at the moment, but there were two human winners, so they didn't have everything their way. If the event took place in a hotter climate, people could take the lead.
3. Sloths can starve to death on a full stomach
Endurance races can offer an evolutionary advantage, Sloths have managed to survive dozens of millions of years even though they barely move.
Absolutely nothing about them is designed for speed, and even if they go full speed, it takes about a month to walk a mile. This is rarely a problem as they spend about 90% of their time upside down in trees and sleep up to 20 hours a day.
Even a wearer's stomach does things at his own pace, which takes up to a month to digest his way through a single meal. This appears to be an inefficient approach, but generally works pretty well for inertia. It will rarely be in a hurry to find a meal so it can survive at its own pace.
Unfortunately there is a major disadvantage of the sloth's digestive system; At low temperatures, the intestinal bacteria no longer work at all. The sloth no longer digests its food, no longer extracts nutrients and runs the risk of accomplishing the interesting but unfortunate trick of starving to death on a full stomach .
2. Your taste buds do not work properly at height
Airline foods generally have a less than excellent culinary reputation. This is at least partly due to the fact that flight meals are usually prepared at least ten hours in advance. However, freshness is not the only factor. Somewhat strangely, research has shown that human taste buds do not function properly at height.
The typical cruising altitude of a commercial aircraft is 35,000 to 40,000 feet. In the meantime, people lose their sense of taste at 30,000 feet.
About 70-80% of our taste is determined by our sense of smell, and although this is not a particularly appetizing thought, our sense of smell is based on the evaporation of nasal mucus. At 30,000 feet, the interior of a pressurized aircraft has a humidity of less than 12%, which is lower than most deserts. This means that not much nasal mucus evaporates. Therefore the food of commercial aircraft tastes of cardboard .
1. Some of your atoms that once belonged to William Shakespeare
Atoms are the basic building blocks that make up everything, including us. Every person is made up of about seven billion, billion, billion things and adapts up or down depending on the size of the individual.
What is perhaps more surprising is that a tiny fraction of the atoms that make up your body once belonged to William Shakespeare.
Atoms are indivisible and almost indestructible in every respect. These atoms are being recycled all the time, and it's a startling thought that 99.999% of the atoms that made up you seven years ago have now taken on completely different jobs.
and indeed those atoms that once belonged to the great bard will have remained in the harsh environment of planet Earth. Some very clever people did very complicated mathematical calculations to calculate that a tiny number of Shakespeare's atoms and indeed almost every historical figure you want to mention are in your body at the moment extraordinarily numerous they are.
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