A lucid dream is one in which you are aware that you are dreaming while still sleeping. Lucid dreaming is thought to be a state that combines consciousness and REM sleep, in which you can often direct or control the dream content.

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.

Mirrors and light are the primary components used in kaleidoscope construction. Kaleidoscopes are a fantastic way to reflect things when combined with a few more materials.

Have toxins? Sunflowers come to our aid. Sunflowers are planted for a reason following a natural disaster like Fukushima. These flowers possess a natural capacity to absorb large amounts of toxins.

You may already be aware of this fact from Amazing Facts About Hindi, since you may have noticed individuals beginning to prepare for Hindi Day a week prior. The entire week of September is dedicated to the Hindi language, which is also our national language.

That quantity may appear to be very astonishing at first, but keep in mind that the moon does not create its own light; rather, it reflects the light of the sun. And not particularly well. "The brightness of the Moon depends on the exact angle between the Earth, Moon, and Sun... the brightness of a Full Moon is typically reported as a magnitude around -13, roughly 14 magnitudes or 400,000 times fainter than the Sun," according to Sky & Telescope. That implies the moon has a lot of work ahead of it if it wants to be as visible as our brightest star.

Several studies on insomnia have indicated that persistent cigarette smokers have greater incidences of insomnia symptoms such as sleep deprivation, longer sleep latency, increased rapid eye movement, sleep density, and more bouts of obstructive sleep apnea.

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.

One of our favourite amusing facts about Poland is that it is home to the world's first upside down house. The topsy-turvy wooden home was erected upside down in a forest and appears to be something out of a storybook. Visitors must enter the home through the attic windows and may walk around the furnished interior, which is evocative of Communist Poland in the 1970s, to symbolise how Communist control turned life in Poland upside down. Hundreds of interested visitors have visited the home since its unveiling in 2007, and it is located in the little Polish town of Szymbark, which has a population of roughly 500 people.

Waheeda Rahman has played both Amitabh Bachchan's mother and lover. In 'Adalat,' she played his love interest, and in 'Trishul,' she played his mother (1978).

Sound waves provide considerably lower levels of energy than other types of energy. Because any sound creates low energy levels, you don't want to use it to generate electricity, which demands a lot of energy.

But don't worry, Earth is not in danger! Astronomers think our Milky Way has a massive black hole that is light-years away from Earth.

Egypt is home to one of the world’s largest dams. The Aswan High Dam is the world’s largest embankment dam, spanning across The Nile separating Egypt from Sudan and creating Lake Nassar. Lake Nassar is one of the world’s largest reservoirs.

While this seems like a great feat, when we cycled from Egypt to Sudan, we saw the devastation that this dam caused. At one time, Sudan was lush and green along the Nile and even tourists from the UK would vacation in Wadi Halfa in Sudan. Today, it is a dried-up mess thanks to the damming of Lake Nassar.

When you arrive in Siem Reap or Phnom Penh, the first thing you'll notice is the enormous queue of tuk tuks at the airport and on practically every street corner. While the route might get your pulse racing (standard driving laws are ignored), it is a faster method to explore the cities. In addition, tuk tuks are more common in various places. But remember to haggle the price before entering!

Sunflowers are beneficial for your mental health, did you know that? In fact, they are. Sunflowers themselves are known to improve people's moods, and the color yellow is associated with hope. Even just looking at them actually lifts your mood a little. One petal at a time, they are changing the world for the better.

You can swallow thousands of microscopic algae by simply swallowing one drop of ocean water. The oceans contain more algae than there are stars in the entire universe.

Between 1502 and 1503, Sultan Beyazid II commissioned Leonardo da Vinci to create a bridge across the Golden Horn. Da Vinci's design, which followed the three geometric principles of the pressed-bow, parabolic curve, and keystone arch, would have been the world's longest bridge at the time, but the sultan did not sanction it.

Raw materials can be utilized to create kaleidoscopes. Pebbles and colorful stones will typically reflect good colorful shapes.

Sand is combined with lime and soda ash and heated to extremely high temperatures to create glass. Glass is produced when the liquid combination is allowed to cool again.

The title can only be bestowed upon the eldest son of a British sovereign (king or queen), i.e. the United Kingdom's direct successor to the throne. When Prince Charles was 10 years old, he was bestowed with this title. Since King Edward I bestowed the title on his own son, he is the 21st Prince of Wales.

Viking refers to a procedure in which exhausted rowers aboard a ship turned up their seats to the fresh rowers in Old Norse. The title usually refers to a man who works aboard a ship. Another suggestion is that the title is derived from the Norse phrase for a sea-mile. Even though it makes the connection between man and the water, this idea is less widely recognized among academics. The phrase, which has Old English roots, refers to a poem from the 9th century about pirates and raids from Scandinavia.