Iguanas have excellent vision and can distinguish between hues and ultraviolet light. They also have a unique photosensitive organ called the pineal gland, or parietal eye, on top of their skulls. This enables them to see in dim light, making them great night hunters.

Conspiracy theorists is a word that is frequently used in a pejorative manner. Some say this was done on purpose, that the CIA coined the word to discredit those who believed in the countless theories that circulated after JFK's killing. It seems convincing, but we have print proof indicating the term has been used since at least 1870 and became more common in the 1950s.

Lamellae, a hair-like structure that lines the beaks and tongues of flamingos, helps them sift dirt and silt from their prey.

True trivia that may break a few hearts: when the Joker first appeared in 1940, he was supposed to be a one-off event that would disappear after a few incidents. Fans were so taken with his character, and they appreciated how brutal and unpredictable he was, that he was made a regular in the Batman franchise. He's lucky he wasn't cancelled! We would never have spotted these amazing Easter Eggs in the latest Joker film if it hadn't been for the internet!

Taste receptor cells in the pancreas enable it to detect the presence of sugar. Artificial sweeteners are also "tasted" by it. But unlike our tongue's taste buds, it doesn't send these sensations back to the brain. Instead, the pancreas uses this sensory data to maintain a healthy hormonal balance and blood glucose levels.

Consuming one grapefruit per day could assist in reducing LDL, or "bad," cholesterol.

Because the International Space Station (ISS) has Russian-language modules and operations, all astronauts who travel to the ISS must be fluent in the language. According to some astronauts, learning this new language was the most difficult aspect of their training. English-speaking astronauts can expect to spend 1,100 class hours to reach a reasonable level of fluency in Russian, according to the US State Department Foreign Service Institute. That's twice as long as it takes to learn other languages such as French, Spanish, or Dutch.

San Marino is made up of the nine municipalities listed below, which are also known as Castelli, which means "castles" in Italian. San Marino, also known as Citta di San Marino, is the country's capital. There are also eight smaller municipalities. Chiesanuova, Acquaviva, Borgo Maggiore, Domagnano, Faetano, Fiorentino, Montegiardino, and Serravalle are some of the towns in the area. Dogana, the Republic's main hamlet, is part of the Castello of Serravalle and is not an autonomous Castello. Each Castello, like an Italian comune, consists of a capoluogo, the Castello's administrative centre, as well as a few smaller villages known as frazioni.

Unlike Queen Elizabeth II, who was born into the role of monarch, Malaysia's King, Abdul Halim of Kedah, was chosen in December 2011. In Malaysia, the king is elected by the Conference of Rulers and granted a five-year tenure to govern the country. The country's sultans, who inherit their titles from their fathers, make up the Conference of Rulers.

Understand that bad breath, or halitosis, is caused by more than just the foods you eat; it can also reveal information about your gum health. When food particles become trapped between your teeth, they promote bacterial growth, resulting in bad breath. Bacteria will begin to spread between your teeth and gums during the early stages of gum disease, forming infected pockets that contribute to bad breath.

During Japanese rule it became the wealthy, modernized country it is today. There are plenty of places you can visit Japanese hill towns, tea houses, and hot springs used by the colonial rulers. While these places are quaint and charming, historians tell us that the Japanese were cruel rulers and forced local women to be their concubines.

A common misconception is that bloody gums are normal; however, if you find blood on your sink after your oral hygiene routine, take note. This could be an indication of gingivitis, a mild form of gum disease. The good news is that this stage of gum disease is reversible if properly treated by your NE Calgary dentist. We understand that flossing is the last thing on your mind when your gums are bleeding, but it is the most effective way to treat the source of infection and halt the progression of gum disease.

Yes, you read that correctly: spider silk is extremely strong. It may appear weak and brittle, but this is only due to its thinness. A spider's web is five times stronger than a strand of steel of the same thickness. A spider web made of strands as thick as a pencil is also thought to be capable of stopping an aeroplane in flight!

Reed Hastings, CEO of Netflix, got the idea for the company back in 1997 when Blockbuster had charged him a late fee of $40 for a VHS copy of Apollo 13. His little idea soon grew into something a lot bigger and he eventually launched Netflix in 1998. 

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.

Redheads are more prone to acquire skin cancer due to their pale skin and susceptibility to UV exposure. According to the International Journal of Disease, natural redheads are around two and a half times more likely to get hazardous cancer than persons with other hair colors.

The Kung Fu nuns dress up in pyjamas and yellow sashes to sing for you when you visit the Drukpa monastery. This is a 2,000-year-old custom among them. They also offer a variety of events, one of which is the Eco Pad Yatra, which involves picking up rubbish and educating villagers about the environment across a distance of 400 miles on foot.

Orheiul Vechi, Moldova's most important (and possibly most beautiful) historical landmark, is a deteriorating open-air monastery complex dating back more than 2,000 years. The sprawling remains include old walls, spas, and monasteries that you will have mostly to yourself.

Mosquitoes are cold-blooded insects. They differ from humans in that their body temperatures are modified based on their current location. As a result, mosquitoes, like most other insects, are more noticeable during the warmer months of the year. Mosquitoes that live in temperate climates prefer to hibernate a lot.

Brixton Road in London exceeded the year's total air pollution restrictions just five days into the new year. According to EU air pollution regulations, monitoring stations cannot record unusually high levels of nitrogen dioxide at any one place more than 18 times each year. But on January 5, 2017, Brixton Road in London went beyond this restriction for the 19th time. Other places in London, such as Putney High Street and Brompton Road in Knightsbridge, soon followed.

The theories of Einstein describe how massive objects distort space-time. According to Einstein, the movement of these objects should cause ripples in the fabric of space itself. In fact, three Nobel Laureates were able to observe a collision between two black holes 1.8 billion light-years apart. One of these black holes is 31 times the mass of our sun, while the other is 25 times. In a fraction of a second, the collision converted the mass of approximately three suns into gravitational wave energy!

On occasion, hypnosis is shown on television. It's usually part of a plot where the hypnotised person loses control and becomes a "puppet." In reality, people in a relaxed state of hypnosis are fully conscious. They should be able to hear, understand, and remember what the hypnotist says. There should be no worries about being hypnotised and made to cluck like a chicken or sent on a murder spree. They are simply experiencing deep relaxation as a result of their concentrated attention.

VYBK, also known as the Salt Lake Stadium, is the second-largest stadium by seating capacity in the nation. It is mostly used as a football field and will host the 2021 FIFA U-17 Women's World Cup as well as the FIFA U-17 World Cup Finals in 2017.

Cataracts that are left untreated will eventually get worse. Your vision will decline, making it risky to drive and do daily activities. The harsh reality of untreated cataracts is that they can eventually result in partial or even total blindness.

Walt was the literal man behind the mouse from 1928 to 1947. Walt kept doing Mickey's voice for shorts on The Mickey Mouse Club even after the voice work was formally given to Jimmy MacDonald in 1947.