When hot lava cools down quickly after being ejected from a volcano, obsidian, a sort of natural glass, can develop.

According to the findings of one study published in the Journal of Personality, even the most pessimistic people can change for the better with a little bit of love in their lives. The scientists behind the study discovered that being in a relationship indirectly made neurotic partners more optimistic and self-confident, presumably due to all of the positive emotions and experiences associated with the relationship, after following 245 young couples for nine months.

Back in the 1970s, Paul and David Merage came up with the idea for microwavable "sandwiches." The product initially appeared on grocery store shelves in 1983.

Angkor Wat is Cambodia's heart and soul. The world heritage-listed structure was created in the early 12th century and is the world's largest religious complex.

A Chinese empress is said to have discovered silk in the past, and for thousands of years, it was a closely guarded state secret. But as new trade routes appeared, silk began to reach new markets via what came to be known as the Silk Road. Other nations eventually began to learn the art of sericulture (or silk production).

If you’ve watched your little kitty charging around the living room when they’re feeling lively you know that cats are pretty quick, but you won’t believe this cat fact. They can hit speeds of around 30mph which is so fast that they could beat Usain Bolt in a 200-meter dash!

According to legend, it was discovered by a shepherd who had forgotten some milk in a skin container for a while and when he rediscovered it, it had already turned into what we now call yogurt.

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. 

Have you ever wondered why your hands and feel sometimes feel cold to the touch? Did you know that it could be the result of anxiety? When we feel anxious, the flight or fight response kicks in. When this occurs, blood flow is redirected from your extremities, such as your hands and feet, and towards the torso and vital organs. This creates the feeling of cold in your hands and feet.

Because of its characteristics, this ocean occupies a unique position. The water here contains the largest concentration of dissolved and floating hydrocarbons, has the most negative water balance, and is a single source of water with the highest and lowest salinity levels, as described in the Indian Ocean facts.

Ashwagandha is an adaptogen, which means it helps the body adapt to any health condition by balancing numerous systems. It specifically minimizes the body's response to stressful events while also supporting the neurological system, endocrine system, and cardiovascular system. Furthermore, it strengthens and improves the immune system's function by raising the quantity and activity of t-cells that fight infections.

Workplace software firm Hive examined anonymized data from over 3,000 women and men and discovered that not only do women complete more work on average, but they are assigned 55% of all labor, compared to 45% for males.

Niagara Falls supplies about one-fifth of the drinking water in the United States. The surrounding Great Lakes contain 84 percent of North America's surface fresh water and offer approximately 21 percent of the world's surface fresh water supply. Consumption water from Niagara Falls should be avoided since it may be contaminated with parasites or germs before it is cleansed for drinking.

The Journal of Experimental Psychology published a study in January 2014 that found babies as young as nine months old recognise that their friends have similar interests. Babies appear to have expectations about the social world even before they can talk. Even at such a young age, we understand what it takes to be friends.

Most antique Chinese porcelain has a mark on the bottom. Besides the potter's brand, the dynasty and emperor's reign was included. Viewing the branding is a key to spotting fakes and imitations

Michael Buble is Santa's favourite singer! Santa enjoys many types of music and is a fan of BTS and Ed Sheeran, but his favourite singer is Michael Buble! That's perhaps why Buble enjoys a Christmas tune!

Pirates from The Bahamas had their flags custom-made by a sailmaker's widow who accepted brandy as payment, while Blackbeard had his own black flag with a skeleton with horns. The skeleton held an hourglass in one hand and a spear pointing to a heart dripping with three drops of blood in the other.

Honeycomb blinds are an excellent choice for people looking for energy-saving coverings for their homes. This is due to the pattern design and material that is designed to trap air. As a result, barriers are built to prevent maximum heat loss or gain.

Psychology majors study many elements of human behavior. Studies on cognition (how we think), development (how we grow and change through time), behaviour (how we act), and neurological processes are all included (how the brain works). Psychology majors also study about many personality theories, social interaction theories, and clinical psychology ideas (how to diagnose and treat mental disorders).

Researchers discovered that men are more inclined to promote men – and men of the same ethnicity – perpetuating the lack of diversity at the top. However, they discovered that women are less likely to request an increase or a promotion. According to an internal Hewlett-Packard poll of female employees, women applied for promotions only when they met 100% of the prerequisites. Men applied even though they only met 50% of the requirements.

No, caramel and dulce de leche are not synonymous. Caramel, as we all know, is nothing more than water and sugar. Dulce de leche, on the other hand, is milk and sugar, as the name suggests (if you've practiced your Spanish).

Barbie is named after the Handlers' daughter, Barbara. Ken is named after their son, Kenneth. In Barbie's world, her parents are George and Margaret Roberts from Willows, Wisconsin. Other family members include her siblings: Skipper, Tutti, Todd, Stacie, Kelly, Chelsea, and Krissy. Tutti and Todd are twins … but so are Todd and Stacie, apparently (at least according to Todd's box). She also has cousins named Francie and Jazzie.

Unfortunately, the Greeks take credit for this discovery, although it was Aryabhata who discovered a formula demonstrating that the Earth rotates on its axis. He then calculated the circumference of the Earth as 39736 kilometers by calculating the value of pi to be 3.1416. Scientists have calculated that the exact circumference of the Earth is 40,075 kilometers. That is really awesome!

The best graphite in the nineteenth century came from China. Yellow is associated with royalty and respect in China. American manufacturers began painting their pencils yellow to convey a luxurious, high-quality vibe.

Cambodians think that counting the chirps of a gecko would reveal whether or not you will be lucky enough to marry. If a tokay gecko makes seven or more calls in the same room as you, it is considered lucky.