Approximately 2 million people were slaughtered during the Khmer Rouge's four-year reign. That equates to one-fifth of the population. Because of the atrocities that occurred between 1975 and 1979, up to 63% of Cambodia's population is under the age of thirty.

With all that land, there has got to be a couple of libraries, right? Harvard has some of the world’s most famous university libraries that boast a collection that is the oldest in America. There are 79 libraries, the main and largest one is known as the Widener Memorial Library. It houses about 3.5 million works in over 100 languages and 92 kilometers of shelves across ten levels. Four of the floors are underground because they needed to expand and could not go anywhere but down.

These parasites affect the whole Great Lakes coastline, wreaking havoc on both permanent and seasonal companies, as well as property values and tourism growth.

It's true whether you believe it or not. Pineapple contains an enzyme called bromelain, which is a little-known fact. If you read other sources, you'll notice that they all say pretty much the same thing. This enzyme degrades proteins in your mouth, specifically your taste buds. This can ruin your palate for the rest of the day until your mouth heals. A fun fact that many people believe is that the enzyme bromelain is used in meat tenderizer. Pineapple is a fruit, so it's good for you. However, you should let a freshly sliced pineapple sit in the fridge for a few minutes before eating it so the enzymes can break down.

The Danes have a custom of tossing dishes at the front doors of family and friends' homes to bring good fortune in the new year.

Humans and slugs have a lot more in common than you may assume at first appearance. Our DNA is 70 percent identical to slug DNA. All creatures, like plants, have a common ancestor a long time ago: the DNA of a person and a banana is 50 percent same. As a result, a human is half a banana or 40% cucumber. To some extent, all living organisms on Earth are related — this just means that our evolution took a different course at some point in time.

Anethole, found in fennel seeds, promotes galactagogues (substances that induce breastfeeding) to secrete more milk. According to several research, anethole mimics the effect of the oestrogen hormone and stimulates breastfeeding.

Blueberries enhance memory and cognitive thinking, according to recent studies.

Your spine protects and safeguards the spinal cord. As you may be aware, the base of the brain is linked to the spinal cord. They are collectively known as the central nervous system (CNS). Can you believe one of your body's most vital components weighs only 35 grams?

Earthquakes may happen over 400 miles below the Earth's surface and be felt practically on the opposite side of the Earth, says Caltech seismologist Zhongwen Zhan. "A magnitude 8 earthquake occurred in the Kuril Islands in 2013, at a depth of around 400 miles. The event was felt in Australia!"

India is home to one of the world's hottest chillies, the bhut jolokia or ghost pepper, which is 400 times hotter than Tabasco sauce. The chilli, which is grown in the states of Arunachal Pradesh, Assam, Nagaland, and Manipur, was certified as the world's hottest in 2007 by Guinness World Records, but it fell out of that position in subsequent years.

they hiss, rattle, and, if provoked further, bite, rattlesnakes are taught to be feared by many people. The good thing is that they never look for people. Most victims of bites unintentionally came into contact with or made an attempt to handle a rattlesnake. 5 Furthermore, less than 1% of rattlesnake bites result in mortality, according to the Arizona Poison and Drug Information Center.

We propose ground almonds, which you can either create yourself from ground almonds or crush up whole almonds. This delicious dish wraps fish with ground almonds, an egg, and almond flour! See the recipe>>here.

Without a single piece of wreckage being found, the riddles of what happened to almost a hundred distinct planes remain a mystery to this day. Nobody knows where they went or what happened to the planes that vanished.

People found this extremely frustrating because round pencils frequently rolled off surfaces. As a result, the popular hexagonal pencil shape was introduced. People used to use breadcrumbs to erase their mistakes before erasers were invented.

The Hindi alphabet and Consonants are arranged in such a way that it produces some rhyme, and reading it makes you feel happy. That is why it is so easy to recall.

Ambedkar was unhappy with the document just three years after it was adopted. Why? He strongly argued in favor of more powers for the governors. “Sir, my friends tell me that I have made the Constitution. But I am quite prepared to say that I shall be the first person to burn it out. I do not want it. It does not suit anybody,” he had said in Rajya Sabha in 1953.

In 1895, the Frenchmen Auguste and Louis Lumière are credited with creating cinema. They applied for a patent for their Cinématographe, a device that could not only capture moving pictures on film but also display them on a screen. This breakthrough transformed the entertainment business, giving rise to the modern film industry as we know it today.

Friends co-creators David Crane and Marta Kauffman wrote a seven-page pitch for a new sitcom called Insomnia Café in the early 1990s. Aside from the different title, the plot was quite different from what became known as Friends. For example, Joey and Monica were supposed to be the love interests rather than Ross and Rachel.

Beluga whales have a low dorsal ridge but no dorsal fins. Less surface area can be used to lose heat to the environment because there is no dorsal fin. A beluga may also more easily swim beneath large ice sheets and find breathing holes without a dorsal fin.

Over the years, the Times Square ball has gone through several transformations. However, none of them appeared in either 1942 or 1943. World War II was in full swing, and the army was concerned that the Big Apple's extravagant light shows would make it easy for German submarines to spot American ships in New York Harbor. So Lady Liberty's torch was turned off, the Brooklyn Dodgers stopped playing night games, and the Times Square ball drop was put on hold for two years.

The coconut bought in western shops does not resemble the ones growing on the tree. There are three layers to an unopened coconut. The exocarp is the outermost layer, which is usually smooth and green or yellow in colour. The fibrous husk, or mesocarp, is the next layer. The final one is called the endocarp, and it envelopes the seed. When you buy a coconut at the shop, the exocarp and mesocarp are usually removed, leaving only the endocarp.

Although sunflowers are commonplace, they are actually an American native. From North and South America, sunflowers, or Helianthus, come in close to 100 different varieties. Sunflowers were used by Native Americans for their seeds and oils long before Van Gogh and Gaugin painted them.

Domestic cats are usually considered to be quite small and dainty creatures. But did you know the world’s longest cat was a Maine Coon called Stewie which was measured at 48.5 inches? Whereas, the record for the tallest cat belonged to Arcturus at a whopping 19.05 inches tall! Those are some big cats.