If you notice yourself becoming more upbeat during the warmer months, you are not alone. For a 2011 study published in the journal Science, researchers examined the tweets of 2.4 million people from around the world over a two-year period. They discovered that when the change in daylight was positive (i.e., as the summer solstice approached), users tweeted considerably happier tweets than when the change in daylight was negative (i.e., as the winter solstice approached).

The enzymes in milk or eggs are the main sources of retinoic acid. Retinoids derived from animals have previously been thought to be more effective for skin care. Carotenoids, which are found in plants, are sources of vitamin A, and when utilized regularly, they can be equally as useful.

Due to the popularity of Sudoku puzzles in 2008, pencil sales in London increased significantly.

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.

The Portland Vase is thought to have been created in Rome somewhere between 5 and 25 AD, according to experts. The Vase has been housed in the British Museum for more than 200 years.

People can actually undergo operations to alter the colour of their eyes. However, rather than only for aesthetics, this is frequently done for practical reasons. To make their eyes less susceptible to light, people with exceptionally light eyes frequently have them surgically changed to a darker tint.

This astounding number of languages are spoken throughout the Indonesian archipelago, with Bahasa Indonesia serving as the country's official language. Papua Province alone has around 270 spoken dialects. Indonesia has a total population of roughly 242 million people and is the world's largest Muslim-majority country.

At least among women, that is. A 2013 survey of 10,000 U.K. women reported by Hello! found that Leos were twice as likely to go to the gym compared to any other sign.

Not All Palm Trees Are 'Trees,' and Not All Palm Plants Are Actually Palms These evergreen plants can grow as shrubs, trees, or long, woody vines known as lianas. Plants such as the yucca palm, Torbay palm, sago palm, and traveler's palm do not belong to the Arecaceae family.

Pablo Picasso, widely regarded as one of the twentieth century's most influential artists, created numerous renowned and beloved works of art. Les Demoiselles d'Avignon was painted in 1907 and depicts five naked female prostitutes in a brothel on Barcelona's Carrer d'Avinyó street.

Are you relocating to South Korea and looking for a new home? If you're organizing a housewarming party ( | jipdeuri) when you move in, skip the toilet paper and laundry detergent. You'll receive a lot of it as presents! One of the unique and entertaining facts about South Korea is that toilet paper and laundry detergent are frequently given as housewarming presents. While you may need to clear some room in your home to store all of the additional household items, the beautiful thing about this custom is that it makes choosing housewarming gifts a breeze.

As they develop, centipedes moult. Every time they moult, they grow another set of legs naturally, so the older they get, the more legs they have. The fact that they can actually grow new legs after being amputated by predators is truly bizarre. Centipedes have the ability to detach some of their legs in order to escape from a predator's grasp. Then, when they moult, they simply regenerate their lost legs!

Though you might think there is a standard procedure to follow if a passenger dies in flight, what happens to your dearly departed cabin-mate varies greatly depending on the airline and type of plane. While some planes, such as Singapore Airlines' Airbus A340-500 planes, were designed with a special place to store bodies, according to one flight attendant, on many flights, the body is simply moved to a back row and covered—except for the head—until medical professionals on the ground can attend to the deceased.

Harvard University holds a record number of honors and awards with 161 Nobel Laureates, 23 heads of state, and 132 Pulitzer Prize winners. Harvard has been producing quality graduates right from the second president of the USA back in 1797 – John Adams. By the end of the first decade of the 21st century, Harvard had educated seven US presidents.

After an additional 5 minutes, 90% of recollection is gone. Sigmund Freud believed this was because dreams represent our repressed thoughts and so our brain wants to get rid of them quickly. However, it’s much more likely due to our brains simply being used much more as soon as we’re awake and so we forget much of what we’ve dreamed about.

The Taj Mahal is almost perfectly symmetrical, in keeping with Persian and Islamic architectural principles. The minarets (towers), walls, rooms, and even gardens are all symmetrical. The Taj Mahal, one of the world's most perfectly symmetrical structures, is known for its white beauty and sheen. The placement of Shah Jahan's cenotaph — and his grave — are possibly the only elements of the Taj that do not adhere to perfect geometric proportions and symmetrical precision.

Disneyland first opened on July 17, 1955, with 18 attractions, according to thisdayindisneyhistory.com. A total of 51 attractions are now available at the park (not including the attractions in Disney California Adventure Park).

This is maybe the most stunning and perplexing anime truth mentioned here. In 1973, a manga called The Miraculous Notebook, also known as Fushigi na Techou, was produced. It told the story of a middle-aged worker who discovers a note that may murder people if their name is put on it. In 2003, the Death Note manga was launched. Is this just a coincidence? Could it be that the author of Death Note was aware of Fushigi na Techou?

Following the failure of attempts to construct a nuclear weapon, the Axis countries contemplated using what they had to explode a "dirty bomb" on the west coast of the United States, utilising I-400 class submarines from Japan to transport the uranium manufactured in Germany. However, the uranium never made it to Japan and was most likely utilised in the Hiroshima atomic bomb.

A fun fact about Spanish is the second language in the world with more native speakers. It comes right after Chinese and right before English. Spanish was born in Spain, but today it is spoken throughout the American continent and in some places in Africa and Asia.

Documents signed by haunted souls in purgatory are displayed at the Museo delle Anime del Purgatorio. The Museo delle Anime del Purgatorio, also known as the Museum of the Souls of Purgatory, is a small museum located in Rome, Italy. They have a collection of documents and photos with handprints on them that they claim are from the dead or souls trapped in Purgatory.