Prior to the 1840s, toothbrushes had only one row of bristles. With the benefit of being able to cover a larger surface area in mind, toothbrush makers began introducing changes to the standard toothbrush design in about 1844. Three rows of bristles would later become the standard for most commercial toothbrushes, proving to be more effective than the previous single row.

The legend of the Chupacabra began in Puerto Rico in 1995 after a series of attacks on livestock occurred. The animals appeared to be drained of blood with puncture wounds around the neck, but the deaths were never explained. Though the description of the creature varies, it’s said to have a forked tongue, large eyes, and alien-like quills. The tale of the Chupacabra eventually spread to other parts of Latin America and even to the United States. It is still widely believed to be true.

Girls, on the other hand, are more likely to be taught how to track and budget their spending. According to a GiftCards.com poll conducted in the United States, girls receive less money from their parents, whereas boys in high school and primary school receive around twenty dollars more on Christmas, three dollars more for chore completion, and one dollar more for allowance.

Statistics say that the average Starbucks customer visits the store about six times per month. If this seems low, they also show that a loyal 20% of customers go about 16 times per month.

The 4-day Thakhek Loop, also known as "The Loop" by bikers, is a genuinely stunning 440-kilometer trek through Thalang and Kong Lor Cave for those who crave the open road. The four-day bike or scooter journey will take you through breathtaking scenery such as gleaming rice terraces, towering limestone cliffs, rural villages, gushing waterfalls, and gorgeous caverns. A must-do for all travelers visiting Laos.

The FBI has publicly stated that no "X-files" are kept to examine otherworldly incidents. "We do have some files on some weird phenomena," according to their website. "But mostly because somebody reported something and we took note of it."

This fun fact about the Netherlands may entice beer-lovers to visit – they have the largest pub in all of Europe. 

The Drie Gezusters (Three Sisters) pub in Groningen holds the title of the biggest pub on the continent and is a national heritage site. We hope it’s also got the most bathrooms of all the pubs in Europe!

 

One of the incredible facts from Amazing Facts About Hindi is that Hindi is the fourth most spoken language in the world, behind English, Spanish, and Mandarin.

This seed is encased in a poisonous, kidney-shaped shell. Anacardic Acid, the poison, is identical to the toxin found in poison ivy. This oily substance irritates the skin, generating an allergic reaction. Because of the poisonous chemical on the shell, cashew nuts are not sold in their shells like peanuts.

Harvard University holds a record number of honors and awards with 161 Nobel Laureates, 23 heads of state, and 132 Pulitzer Prize winners. Harvard has been producing quality graduates right from the second president of the USA back in 1797 – John Adams. By the end of the first decade of the 21st century, Harvard had educated seven US presidents.

There are over 1,000 varieties of sausage in Germany. It’s safe to say that Germans love their sausage! Some kinds of sausage you’ll find in Germany are: Bratwurst Blutwurst Weisswurst Knackwurst Currywurst These sausage types are all flavored with different spices and they all pack a delicious punch.

We all have thousands of taste buds in our lips, although the amount varies by individual. Between 2000 and 10,000 is the typical range. Taste buds can also be located on the roof and walls of your mouth, throat, and esophagus, in addition to your tongue. Experts think that as you get older, your taste receptors get less sensitive, which may explain why foods you disliked as a youngster become more appealing to you as an adult.

Most people are familiar with Volkswagen's classic range of campervans, the Kombi, or even the Beetle. Currywurst sausages are a lesser-known food produced by Volkswagen's facilities. Why on earth would Volkswagen create sausages? VW constructed a facility in a secluded place and chose to prepare their own meals for the industrial workers. Volkswagen ended up selling its sausages commercially because they were so popular. Volkswagen's sausages are so popular that they generate more income than the company's automobiles!!

The human population of Australia is around 25,704,340. In 2009/2010, The Australian Govt counted 27 million kangaroos across New South Wales, Queensland, South Australia, and Western Australia.

Not surprisingly, the city of Alexandria was named after the conqueror of Egypt in 331 BC. One of the ancient wonders of the World, the Lighthouse of Alexandria was here.

One in three carers, or around 30%, is 65 years of age or older. The majority of caregivers—2/3 of them women—are daughters of dementia patients. One further interesting aspect of Alzheimer's caregivers is that 25% of them are members of the "sandwich generation," and 66% of them share a home with a loved one who suffers from dementia. This implies that they look after their young children in addition to their elderly parents.

A common, but the lesser-known side effect of anxiety is anger. When we feel powerless over a situation, or our life is out of our control, expressing anger is a natural way to feel a sense of control.
It’s much easier to externalize the conflict rather than acknowledge the real issue and deal with it. Additionally, with chronic sufferers of anxiety, depression sometimes develops.

No, this alleged torture gadget did not exist. The widespread usage of the term "mediaeval" is a typical 18th-century fiction, fueled by conceptions of the Middle Ages as a generally uncivilised era of murder and mayhem. (They weren't awful, but they weren't great.)

It takes a particularly terrifying creep to inspire Hannibal Lecter, Norman Bates, and Leatherface, but that's what horrifying serial killer Ed Gein left behind. When he was apprehended and his house of horrors in Plainfield, Wisconsin, was discovered, police discovered masks and lampshades made of human skin, among other atrocities. His incredible depravity served as a source of creative inspiration.

According to Chinese history, music was invented in 2697 B.C. when Emperor Huang Ti sent Ling Lun to cut bamboo poles that would produce a sound similar to a Phoenix bird's call.

The motif of a coconut tree appears on the flag of the Indonesian Scouting Organization. It represents the philosophy of a real Scout, who must make himself/herself useful in all facets of life, just like the Coconut tree is every day for Indonesians.

Interestingly, it is widely held that once a family begins Chhath Puja, they must continue to do it yearly and pass it on to future generations. The sole exception is if there is a serious illness or death in the family or among the Vrati.

Donkey milk is used to make the world's rarest cheese. It was long thought that making cheese from donkey's milk was impossible because the liquid lacked enough casein to coagulate. Slobodan Simi, a Serbian cheesemonger, found a roundabout way to make it. He charges $500 per pound for his cheese.

People with high testosterone recalled information better when it was associated with an angry face rather than a neutral or no face, indicating they considered the furious look gratifying, according to a University of Michigan research. According to the researchers, it might suggest that some individuals love seeing others glare at them—as long as the flash of fury doesn't persist long enough to represent a threat—which could explain why that guy in the office won't stop making that terrible joke at your expense.

According to The Guinness Book of World Records, the largest soufflé was found in the Palestinian town of Nablus. It weighed 3,891 pounds, was 243 feet long, and was consumed in just ten minutes.