The following are the criteria for the diagnosis of PCOS: Anovulatory infertility decreased flow during menses; excess facial hair; Polycystic ovaries on ultrasound. The presence of any two of the above three criteria is necessary for the diagnosis of PCOS. Even if polycystic ovaries are not there, with the presence of the other two criteria, it is still diagnosed as PCOS.

The food of flamingos primarily consists of carotene-rich algae and crustaceans. Flamingos' well-known hot pink or reddish colouring is caused by this pigment.

The tallest people in the world live in the Netherlands. The average height for Dutch men is 183cm (6ft), while women average 171cm (5ft 7in). According to military records, the average male height in the Netherlands has risen by 20cm in the last 200 years. This fun fact about the Netherlands remains a mystery, as the reason for their height is still uncertain. Some theories attribute Dutch genetics, universal healthcare, low social inequality and a diet rich in cheese and dairy products.

That was Calcutta, after all! During the British Raj, India was a raging hub of all cultures, trade, flourishing cultures, and people. Calcutta, the then-capital of EIC India, is said to have been the second most important city in British colonies around the world after London. Here, major universities, economic industries, and other major institutions were built.

Most ulcers don't have any substantial consequences. Ulcers can bleed excessively in rare occasions, necessitating hospitalisation or a blood transfusion. Some ulcers bleed gradually over time, which can cause anaemia. Stool that is black, tarry, or that contains dark blood are signs of a bleeding ulcer. Vomit that is bloody or resembles coffee grounds may be present. You need to get help right once if you feel those symptoms.

The Last Supper, another masterpiece by Leonardo da Vinci, is a late 15th-century mural painting depicting Jesus' last supper with his apostles. He created the artwork between 1495 and 1496 with the intention of depicting the exact moment after Jesus reveals that one of his friends will betray him.Specifically, the apostles' expressions of rage and shock. Despite being one of the world's largest and most famous paintings, you won't be able to see it in a museum. It has a permanent residence in a convent in Milan, Italy.

Lions are very adaptable and hence can live in dry areas such as the Kalahari desert. Here they meet their water requirements from their prey and some plants such as Tsamma melon.

The forests of Kanha National Park inspired Rudyard Kipling to write the famous children's novel "Jungle Book." All of the characters and animals were inspired by the dense forests of Madhya Pradesh, where Rudyard Kipling visited and drew inspiration for his world-famous work.

Tulsi contains camphene, cineole, and eugenol, which help alleviate colds and congestion in the chest. Tulsi leaf juice combined with honey and ginger is excellent for bronchitis, asthma, influenza, cough, and cold.

Arsenal on the Kyiv city metro line (Sviatoshynsko - Brovarska Line) is currently the world's deepest metro stop. It is 105.5 meters deep. Escalators transport you deep underground so that you can catch the train. Arsenal had to be 105.5 m deep because it had to bypass the Dnieper River, which rises above and surrounds Kyiv. You will ride the escalator for five minutes to reach 105.5 m deep down the station.

The Netherlands has one of the highest home birth rates in the developed world. Around 30% of Dutch women deliver their babies at home, and this figure has changed little since 1990. 

So why are home births still cherished in the Netherlands? It’s partly because Dutch health insurance fully covers home births, but doesn’t always cover hospital births without medical necessity. 

The Dutch medical system also has a good screening system and provides midwives (verloskundige) who help mothers have a safe delivery at home.

Other minerals can be combined with sand, lime, and soda ash to produce different colored glass. Adding nickel oxide, for example, results in the violet glass.

Silk's proteins also give it unmatched strength; in fact, it is finer and more durable than Kevlar. It has been used historically as a thin layer of "soft armour," and it was even used to create the first-ever bulletproof vest. Silk is still utilized today for a variety of purposes, including sutures and other medical devices. Although it is still being tested in the lab, the applications seem almost endless.

Rorschach felt that the results of his test may reveal a person's psychological condition. Those who ruminate on details may see more pictures in motion, whereas creative types may experience more images in motion. Depressed people were reported to be unconcerned by the introduction of color, whilst "neurotics" were said to be disturbed by the abrupt burst of red. Teenagers were the only people he believed the test failed to examine because they had too many characteristics with the seriously crazy.

The pancreas does play a significant role in digestion even though food never enters the organ. The pancreatic duct transports the pancreatic fluid it produces to the duodenum. Once in the digestive system, the fluid's enzymes aid in the breakdown of fat, protein, and carbohydrates. It performs the role of an exocrine gland by releasing a substance into the body's ducts. It also serves as an endocrine gland, secreting two hormones into the bloodstream to help regulate blood sugar levels. Glucagon is released when you don't have enough sugar, and insulin is released when you do.

One of the cutest Chihuahua facts is this. By the time they are 6 months old, their ears will begin to stand up straight. If not, it's likely that they never will. Even if they don't conform to the breed standard, they are nonetheless purebred Chihuahuas

Bile acids are the detergents in bile, the digestive liquid made by the liver. Without these detergents, you couldn’t digest or absorb fats. And, just like dish detergent, they make fat mix well with water, and only then can digestive enzymes break down the fat for absorption into the bloodstream.

Research shows that people with ADHD are more likely to have problems with sleep patterns, for example. Others are impulsive about their eating habits, or never use their gym memberships. Simply ensuring a healthy diet, regular exercise and 8 hours of sleep a night means better self-control and function. But keeping these routines takes special effort for people with ADHD.

Rio de Janeiro translates to "January River" in English. When the first explorers landed in Rio in January, they mistook the bay they arrived at (today known as Guanabara Bay) for the entrance of a river.

Leonardo was born on 14/15 April 1452 at a farmhouse outside the hamlet of Anchiano in Tuscany, the son of Ser Piero, a rich Florentine notary, and Caterina, an unmarried peasant woman. They had 12 other children with other partners, but Leonardo was their sole kid together. Because of his illegitimacy, he was not expected to follow in his father's footsteps and become a notary. He was instead free to pursue his own interests and enter the creative arts.

Ancient Egyptians believed that makeup had healing powers that protected them from the sun and therefore both men and women wore makeup. The black eye paint that we’ve come to know so well from ancient Egyptian depictions was made from red and they also wore green makeup that was made from copper.

Do you keep a horseshoe on your door or a lucky coin in your wallet? Some superstitious individuals think that some artifacts might attract good fortune, and they are, in a way, completely correct. People who took a "lucky charm" with them to a series of memory and analog tests scored better than those who did not, according to a 2010 research published in Psychological Science.