In a perfectly dark room, close your eyes. When you open them, the hue you see is known as eigengrau, which translates to "intrinsic grey." When there is no light, humans see a tone of dark grey.

Being a pirate was not limited to men. Mary Read, Anne Bonny, Grace O'Malley, and Ching Shih are examples of famous female pirates.

In A.D. 363, a massive earthquake struck Petra, leveling most of the city and bringing the city's reign as a thriving and prosperous trading center to an end. Following the disaster, many Petra residents left the area, and the city was lost to the ages.

Everyone’s traits, struggles and ability to cope are different. Some people with ADHD are hugely popular, the funniest, most interesting people in every room – even as they struggle to pay their bills or hold down a job. Other people can’t maintain relationships, but are great in emergencies, when the pressure and thrill of the moment seem to give them super-human powers.

Over 60 million tonnes of coconuts were produced worldwide in 2016. Indonesia, the Philippines, and India are the top coconut producers.

In Switzerland, 530,000 individuals are classified as poor, with a monthly income of CHF2,219 ($2,275.40) for singles and CHF4,031 for families of two adults and two children. That equates to 6.6% of the population, down from 9.3% in 2007. The proportion of Swiss people living in extreme poverty (4.6%) is among the lowest in Europe (18.6% on average). In Switzerland, 9.7% of the population cannot afford a week's vacation abroad; the European average is 36.9%.

Eyebrows have been known to develop extremely slowly or not at all when under stress.

Nalanda, one of the world's oldest ancient colleges, is being restored in rural Bihar. It was founded as a study center in the 5th century CE, when a major Buddhist monastery flourished on the site. The new Nalanda International University is scheduled to open in 2021/22 and will provide post-graduate courses in a wide range of topics.

The first of our fun facts about Spain is that Madrid is not only the capital of Spain. It is also the geographical center of the country. And in the center of Madrid, you can find the Puerta del Sol ("The Sun Gate"), which is the center of the country and the Spanish radial road system.

The Chandramani stone has a good influence on a woman's hormonal equilibrium. With yin, it is often regarded as a feminine stone that improves hormonal balance and vigor. It reduces menstruation irregularities and alleviates discomfort during delivery.

Most people know that anxiety causes difficulty focusing and concentrating, restlessness, irritability, and frustration. However, few people realize that anxiety causes serious physical problems like weakness, shortness of breath, rapid heart rate, nausea, hot flashes, and dizziness. People experiencing a panic attack often end up in the ER believing they are having a heart attack.
 

No, not an elaborate April Fool. Many cats have lived at the Museum over the years. Perhaps the most famous was Mike, who guarded the main gate between 1909 and 1929. When he died, his obituary appeared in the Evening Standard and TIME magazine. The picture above shows Mike in action.

 

Blackbeard (AKA Edward Teach) was the most feared pirate in the world. He would weave hemp into his beard and light it on fire before boarding a ship, giving him a demonic appearance. Yikes! That would frighten us as well.

Our spine comprises 33 vertebrae when we are born, but most of us end up with just 26. What becomes of them? Some of the vertebrae fuse together to create the sacrum (back of the pelvis) and coccyx as you become older (tailbone).

You are more inventive when solving someone else's problems than when solving your own. To comprehend this, we must examine the construal level theory of psychological distance. The concept of self is more personal to you than it is to others. Others are psychologically estranged from you. As a result, thinking for others improves problem-solving and even reduces personal/emotional barriers to creativity.

Nepal does not observe an independence day because it has never been occupied by a foreign power. The country is the oldest in South Asia. Nepal was a monarchical monarchy until 2008 when it became a federal democratic republic. Isn't that amazing for a small country surrounded by Asian behemoths?

A Bloodhound's sense of scent is so acute and exact that it may be used as evidence in court. Their scent membranes allow dogs to distinguish odours at least a thousand times better than humans. Bloodhounds are frequently employed to locate missing people and criminals. They can follow traces that are almost 300 hours old and can go 130 miles on a path.

In addition to the classic varieties, Hot Pockets releases limited-edition flavours on a regular basis. Check the freezer area for new flavours including Buffalo-style chicken, cheddar cheeseburger, chicken pot pie, and cheesy beef nachos before they're gone.

Although it is not something that Brazilians like to think about, Maracan Stadium holds the record for the highest football game attendance in history. The record was set in the 1950 World Cup final, when approximately 200,000 spectators packed the stadium, in addition to the thousands that surrounded it. The game was between Brazil and Uruguay, who won 2-1. This tragedy was dubbed "Maracanazo" in Brazil.

You're probably wondering how to pronounce "ashwagandha" when you first encounter it. However, it is not as complicated as you may believe. Although it may appear strange, it has a meaning. It means "horse odour" in Sanskrit. This is because the roots of ashwagandha have an odd, disagreeable odour similar to that of a horse. Furthermore, this plant is related with horses because it is recognised for giving individuals energy and power similar to horses.

These magnificent reptiles have been known to travel entire oceans in quest of food! They usually nest on tropical and subtropical beaches, and certain Leatherbacks (a type of sea turtle) can endure extremely cold temperatures (as low as 30 F).

The fundamental technology behind windmills was undoubtedly derived from the wind sails that were used to steer ships. However, the first instance of wind energy being used to help automate routine manual tasks, such as pumping water or grinding grain, was most likely in Persia. Last but not least, the first vertical axis windmill design that has been historically recorded is the Persian panemone windmill, with records of the technology dating back as far as 1,500 years. The vertical sail on this particular specimen was made of bundles of reeds or wood, which were then fastened to the central vertical shaft with the aid of horizontal struts.

Many armoured rhinos are ridden by members of Wakanda's Border Tribe, including Daniel Kaluuya's W'Kabi, during the battle scene at the end of Black Panther. However, contrary to popular belief, these tough-skinned warriors aren't entirely computer-generated. According to Associate Visual Effects Supervisor Todd Sheridan Perry's comments to VFX Voice, some of the war rhinos were played by Clydesdale horses, similar to the ones from the famous holiday-themed beer commercial.

The most well-known mantra among Hindus is the Gayatri Mantra. It has 24 letters and 24,000 verses in the Valmiki Ramayan. The Gayatri Mantra is formed from the first letter that appears after every 1000 verses of the Ramayan. This mantra represents the core of the ancient epic Ramayana. The Gayatri Mantra is mentioned for the first time in the Rigveda, the earliest of the Vedas.