Even though the first cataract extraction operation was conducted in the 18th century, cataracts have really been treated for a much longer. In actuality, the earliest known cataract operation took place in the fifth century BC. As a result, it ranks among the earliest surgical techniques ever performed. The methods employed then were undoubtedly less advanced than those used now or even in the 18th century. When the lens was fully opaque and hard, a procedure called "couching" was applied. This involved poking the eye with a sharp item or striking it with a blunt one.

If you've ever considered memorizing all of the different species of butterflies, it might take a little longer than you expected. Those species that are usually found in the lower 48 states of the United States would be a good place to start. Still, that figure is close to 575, so we recommend making note cards or focusing on the butterflies you see in and around your yard this spring and summer.

Leonardo da Vinci, the ideal of the Renaissance man, was a talented musician as well as a skilled painter. In addition to playing the lyre and the flute, he sang regularly at noble meetings and at the palaces of his benefactors. Some of his musical creations are also included in his surviving manuscripts.

During the First Opium War in 1841, British forces controlled Hong Kong Island. Following China's loss, the Qing Dynasty gave over Hong Kong to the United Kingdom in 1842 through the Nanjing Treaty.

During the first season, The Office was a close adaptation of the UK version. As the first season came to a finish, Steve Carell's The 40-Year-Old Virgin hit cinemas and catapulted him to stardom. It was at this point that The Office's creators decided to soften Michael Scott. From Season 2 on, we see a huge shift in the program, which may be attributed to Carell's popularity.

Around 1904, a little child called Robert Eugene Otto, sometimes known as "Gene," had a strange-looking boy doll named Robert. Robert the Doll is supposed to be haunted, aware of his surroundings, and even responsible for a number of violent catastrophes. The film Child's Play was based on Robert's storey.

According to Grunge, Russia discharged radioactive waste into Lake Karachay from 1951 to 1953. Like a result, its colouring is extraordinarily vivid (typically neon aqua, until it's agitated, as in this photo, when it bubbles crimson). You wouldn't be able to breathe after only one hour in its waters, such is the severity of its poisoning.

Austen's family worked hard in 1817 to get Northanger Abbey and Persuasion sold as a set. Henry Austen, Austen's brother, wrote a "biographical note" identifying Austen as the author. The books were well received. Richard Bentley, a publisher, purchased the copyrights to Austen's novels in 1832 and published an omnibus edition of her work in October 1833. Since Bentley's publication, Austen's books have remained in print indefinitely.

The Sri Chinmoy Centre in New York holds the Guinness World Record for lighting the most birthday candles on a cake, with over 70,000 candles being lit. Unfortunately, due to the large number, Sri Chinmoy was unable to blow them out and had to resort to using a fire extinguisher! In this case, the number of candles did not correspond to the number of years passed, as Sri Chinmoy was celebrating his 85th birthday at the time.

Chia seeds' fibre and protein may help people who are attempting to reduce weight. Nearly 10 grams of dietary fibre are present in one ounce (28 grammes) of chia seeds. This indicates that they contain a staggering 35% fibre by weight. Although there is conflicting evidence on this subject, some studies imply that dietary fibre may help prevent overweight and obesity.

If you think your current steering wheel is complex, wait till you see what Formula One drivers have to deal with. Their steering wheels can have up to 25 buttons. Every button and switch controls every part of the vehicle, giving the driver complete control. It is even stated that pressing the wrong button might lose a race. To put that into context, some buttons alter the way the brakes operate, allowing the balance to be adjusted in split seconds. These modifications might cause the automobile to behave differently from corner to corner. Talk about power!

That's correct! There are several species of this bird, including the black-winged kite, black-shouldered kite, white-tailed kite, and letter-winged kite. These birds are said to be known for their graceful gliding in flight.

Yellowstone National Park, created in 1872, is the oldest national park in the United States. Every year, almost 4 million people visit the national park to admire its beauty. Yellowstone has around 16 fish species, 5 amphibian species, at least five reptile species, 67 mammal species, and over 250 bird species.

For years, I had heard about the Canadian cuisine Poutine but had never eaten it. Despite having seen it on menus in the United States, I wanted to sample this Canadian cuisine for the first time in Canada. Poutine originates in the province of Quebec. It's made out of French fries, gravy, and cheese curds. I realize that doesn't sound very tasty (or perhaps it does). We were able to taste it at the first eatery that offered it in the area-Chez Ashton-during my Saint-Roch walking food tour in Quebec City. Surprisingly, I enjoyed it!

In fact, it's still there, above the fire station. Although VIPs are occasionally given tours, Walt's private apartment is typically off limits to the general public. There are still many of the same furnishings from Walt's earlier visits, including a lamp in the window that is visible from the outside. To imply that Walt is always in the park, it is always left on.

According to a recent UBS Global Wealth Management report, 58% of women entrust those critical decisions to their male spouses. And this does not appear to be changing with Generation Y or Z. Younger women between the ages of twenty and thirty-four were 60% more inclined to defer to their significant others.

In 2016, Starbucks announced a plan to donate 100% of its leftover food to feed the hungry. The plan was going to affect all 7,000 US locations. They partnered with Feeding America to donate unsold meals, like sandwiches and salads, and it was all due to their baristas speaking up. 

When you visualise with your vision boards every day, you will strengthen your commitment and resolve to attain your goals in life. According to studies, those who frequently regard themselves as successful are less inclined to give up on their aspirations. Highly successful personalities such as Steve Jobs, Elon Musk, Arnold Schwarzenegger, and Tiger Woods frequently saw themselves as successful, regardless of the hardships they faced along the way. This is because when you think about achieving your objectives, you will feel motivated and inspired, and you will feel certain that you will want to take action to attain them. When you are optimistic, you are more inclined to persevere during difficult times.

The Chinatown in Bangkok is the largest in the world, home to over a million people of Chinese origin, usually second or third generation. Known locally as Yaowarat, the crisscrossing alleyways and bylanes transform into a buzzing street food hub at night and a thrift shopping center during the daytime. At the end of Yaowarat Road, near Hua Lamphong railway station, is the Temple of Wat Traimit which houses the largest gold Buddha in the world. The statue is officially titled Phra Phuttha Maha Suwana Patimakon and weighs a staggering five-and-a-half ton.
 

Despite what James Cameron's renowned 1997 film may have led you to think, the owners never claimed that the ship would never sink. According to historian Richard Howells, "the general public was unlikely to have thought of the Titanic as a unique, unsinkable ship prior to its maiden voyage."

The man responsible for the creation of arguably the most well-known cartoon character in the world, Mickey Mouse, was afraid of mice! Does it get any more ironic? Walt Disney had a deep-seated fear of the four-legged creatures. But he also saw them as sympathetic. That was why he choose to base Mickey on a mouse. It turned out to be a solid decision from Disney. Mickey Mouse helped turn Disney into one of the world’s biggest entertainment companies. 

Under all the ash and pumice that Mount Vesuvius' eruption left behind, many bodies were found. Italian architect Giuseppe Fiorelli discovered many of these had left holes in the ash layers after collapsing in 1863. He came up with the concept of injecting plaster into these holes to produce plaster casts of the Pompeii mummies. Since then, as they work to learn more about what transpired during this enormous tragedy, researchers and other architects have found this to be helpful.

Before colour television was introduced, only 15% of people dreamt in colour. Older people dream in black and white more often than younger people.

India has the most tribal groups. Madhya Pradesh is home to many ethnic groups and tribes, including the Gond, Bhil, Bagia, Korku, Bhadia, Malto, Kaul, Dhar, and many others. According to the 2011 census, the tribal/adivasi population accounts for 21.1 percent of the state's total population.

Mosquitoes are one of the most dangerous animals on the planet, yet their optimal life span may surprise you. The average lifespan is a little less than two months: a male mosquito normally survives for three to five days after mating, whereas a female mosquito can live for a month or two under optimal conditions. Females lay eggs every three weeks at the period.