Because they are so tiny, it is difficult to estimate the population of fairyflies (Mymaridae). One can only speculate on a species' population because new species are still being discovered.

A dozen people have walked on the moon in human history, but only three have made it to the Mariana Trench due to the harsh conditions. Are you one of them? Director James Cameron, who wrote a piece for National Geographic about the dive.

Your nails' ability to grow can be impacted by stress. One thing that will stop your nails from growing is stress. But don't worry, your nails will eventually grow back.

Thanks to its microscopic budget and major success at the box office, the 2007 film Paranormal Activity, scored a return on investment of 19,758 percent, absolutely blowing away the next most profitable film (2015 horror film Gallows, with an ROI of 6,843 percent). It cost just $60,000 to make and another $400,000 or so to market, yet ultimately brought in more than $89 million.

The median age in the 1950s was 33 years old, but it is increasing every year. The median age of the Swiss population in 2015 was 42.2 years. Switzerland, on the other side, has the greatest percentage of persons over 100 in Europe and the second-highest life expectancy after Japan. Of course, given the purity of the air, the amount of walking routes, and the availability of high-quality health care, they will live a long life.

Sharks have microscopic teeth called epidermal denticles that cover their bodies. Because of this, their skin feels like sandpaper.

Mirrors and light are the primary components used in kaleidoscope construction. Kaleidoscopes are a fantastic way to reflect things when combined with a few more materials.

Meat-inspired perfumes are more common than you might guess. While definitely not gourmands, these scents are still weirdly food-like. Que Cologne from Pork Barrel BBQ is described by the brand as a mix of smoke, meat, spices, and "sweet summer sweat", and there is a perfume called Bacon Classic that smells exactly like fried and salty pig mixed with cedar, orange, and pepper.
Wild, right?

From the tropics to the Antarctic Ocean, every marine niche is home to different shrimp species. Isn't it cool? Another fascinating shrimp tidbit I discovered was that their hearts are really in their skulls. Isn't it fascinating?

The Archaeological Survey of India has named the Khajuraho monuments as the best-preserved antiquity monuments.

Beyond the skyscrapers, South Korea has stunning natural scenery, with forests covering 64% of the area. Several mountains in the area, including eight that encircle the capital. Visitors attending this month's Winter Olympics in Pyeongchang may enjoy a quiet backdrop of Buddhist temples and dreamy peaks, such as the majestic Seoraksan, which forms part of the Korean peninsula's mountainous terrain. In addition, the nation boasts 2,413 kilometres of coastline, with broad coastal plains to the west and south and approximately 3,000 tiny uninhabited islands far offshore.

Chocolate, avocado, tomato, vanilla, courgette (zucchini), and various beans and chiles were all introduced to us by Mexico.

The city got its name from the Hindi word khaujur, which means "date," since the city walls were covered in date palms. Khajuraho was known as Khajjurpura in ancient times.

Queen Victoria of the United Kingdom penned this in 1841, following the British takeover of Hong Kong. Possession Point, where the British first raised the Union Jack, was known as Tai Hang Hau, or 'great puddle.' It was accumulating water directly on the island's shoreline. Today, the site is known as Hollywood Road Park. 

The chemicals that control a lady's month-to-month cycle likewise add to headaches. Numerous ladies start encountering headaches when they have their most memorable period or become pregnant and track down help after menopause. Also, the chemicals in oral contraceptives frequently change the seriousness and recurrence of headaches or prompt them to foster in ladies who haven't had them previously.

The Ritz-Carlton occupies the 118th level of Hong Kong's tallest building, the International Commerce Centre (ICC), and contains the world's highest outdoor bar and swimming pool.

Ashwagandha has been utilised in Ayurvedic medicine for about 3000 years. Isn't that a really lengthy amount of time? According to claims, it was used to treat a variety of health problems and diseases, including stress, insomnia, arthritis, snake bites, constipation and other gastrointestinal difficulties, fever, memory loss, and infertility. It's a diuretic, an aphrodisiac, and a Rasayana - a treatment that boosts vigour and health. It is still used to relieve tension in India, Sri Lanka, and Pakistan.

Dr. Bill Keevil revealed that an antibiotic-resistant strain of bacterial aureus could not survive on copper surfaces. They do, however, thrive on platinum metals. This is a common material used in hospital beds, doorknobs, and railings. This study forced hospitals worldwide to adopt copper-touch surfaces. This is an attempt to reduce the spread of bacterial diseases in medical settings.

Richard and Maurice McDonald both the company's founders established and occupied a hot dog stand near the Santa Anita racecourse in Arcadia, California, the USA in the late 1930s. They launched a drive-in barbecue restaurant in San Bernardino, California, in 1940, which they converted into a burger establishment in 1948. Maurice and Richard McDonald owned the world's ninth-largest economy, with 27 billion dollars in income from McDonald's franchisees.

Disneyland first opened on July 17, 1955, with 18 attractions, according to thisdayindisneyhistory.com. A total of 51 attractions are now available at the park (not including the attractions in Disney California Adventure Park).

The scent of chocolate induces theta brain waves, which result in relaxation. In fact, research done at Hasselt University throughout Belgium found that when the aroma of chocolate was dispersed in bookstores, book sales increased, particularly for romantic novels. Yes, relaxation! Chocolate also includes tryptophan, which the brain needs to make serotonin, a hormone that induces feelings of well-being. So eating chocolate actually makes you happier!

One quiet little secret exists in Grand Central. The whispering gallery, also known as the whispering wall, is a modest secret that stands apart from the surrounding turmoil of city life. It is located on the less frenetic lower level and has no great fanfare to indicate its presence. Four arched entryways make a square shape in the whispering gallery. And if you whisper something into the arch and someone else stands 30 feet away with their ear to the arch diagonal from yours, they'll be able to clearly hear what you said — despite the distance and the acoustic deafening noise that is typical of Grand Central.

The Tünel underground funicular opened on January 17, 1875, becoming the world's second underground railway after the London Underground. Tünel, which runs between Beyolu and Karaköy, is one of the continent's oldest remaining rail lines.

At least among women, that is. A 2013 survey of 10,000 U.K. women reported by Hello! found that Leos were twice as likely to go to the gym compared to any other sign.