What exactly was the US's 'Ghost Army' during WWII?

Hundreds of young women worked in clock factories during World War I, painting watch dials with luminous radium paint. The company lied about the risk of radiation, claiming there was no danger, which resulted in the death of the young women.

In 1919, J.D. McMahon convinced investors to fund a 480-foot skyscraper, but he labeled the plans as 480 inches, building a 40-foot structure instead. After taking $200,000, he won in court since the plans matched what he built.

Volcanic eruptions can devastate cities, change the world's atmosphere, and devastate economic systems. They can create molten lava rivers, mudslides, suffocating ash, and poisonous gases that cause chaos around the world for years. A volcanic explosion's effects can be massive, from its size to its death toll to its economic cost. Here is ten world’s most destructive and dangerous volcanic eruptions in history.

A man named Nicholas Winton saved 669 kids during WWII and lived almost all his life without letting people know.

Hollywood actress Hedy Lamarr was also a mathematician and the inventor of frequency hopping spread spectrum, a technology still used for bluetooth and wifi

The Arabia was a steamboat that sank in the Missouri River in 1856. Over time, the river shifted 800 meters to the east, eventually turning the site of the sinking into a field. The steamboat remained under 45 feet of slit and topsoil until 1988, when it was excavated. The mud, as it turned out, was such a great preserver that most of the artifacts on board were found to be intact. They even found jars of preserved apples that were still edible!

The roaring 1920s revolutionized fashion, introducing bold styles, daring cuts, and a spirit of freedom that still inspires today’s wardrobes. From flapper dresses to statement accessories, here’s how the Jazz Age lives on in modern fashion.

In 1814, there was a beer flood in London when a tank containing more than 300,000 gallons ruptured in which 8 people drowned.

The unbroken seal of Tutankhamun's tomb before it was opened in 1923, it was unbroken for over 3000 years.

Poto and Cabengo, as the two girls called each other, communicated in their own language. The twins were ignored by their parents and secluded from the outside world because their father felt they were developmentally retarded, and their unique language evolved as a result of that neglect.

Irene Sendler was the Zegota resistance group's head of the children's department. She risked her life to smuggle children out of the Warsaw ghetto, place them with Polish families or orphanages, give each child a new identity, and keep records so that they could be returned to their families. In 1943, the Gestapo arrested and sentenced her to death, but she was rescued by Zegota.

In 1887, Susanna Salter became the first female mayor in the United States, elected in Argonia, Kansas. Her nomination was initially a prank by men opposing women in politics. However, she won by a landslide and served effectively, inspiring the women’s suffrage movement and breaking barriers for women in leadership.

Josephine Myrtle Corbin, an American sideshow performer born in 1868, had a rare condition known as dipygus, which caused her to have four legs, each smaller inner leg paired with one of her outer legs. Corbin joined the sideshow circuit, captivating audiences as the "Four-Legged Girl from Texas."

Between 1764 and 1767, a mysterious animal called the Beast of Gévaudan terrorized the French village called Gévaudan. It attacked and killed about 100 adults and children. While most believe it was a wolf, some say it may have been a wolf-dog hybrid, hyena or even a lion, but without any genetic evidence, the beast will remain a mystery forever.

We are all aware that medicine has advanced dramatically over the last fifty years. There are several modern medical approaches available today, but this was not always the case. However, the past of medicine is a dark one. Medical leeches, lobotomy, vascular surgery, cranial stenosis, and even electroshock therapy are all options. These are only a couple of the cruel healing techniques that are still in use today.

In 1987 a man hijacked a television station during an episode of Dr. Who and wore a Max Headroom mask and uttered nonsense, and he still hasn’t been caught

Over 1,800 years ago, long before modern technology, the ancient Chinese astronomer and inventor Zhang Heng created the world’s first seismograph in 132 AD. This ingenious bronze device could detect distant earthquakes by releasing small balls from dragons’ mouths into toads’ mouths—each indicating a different compass direction. Its historic detection of an earthquake 400 miles away astonished the imperial court and transformed the way societies understood and responded to seismic events.

The German town of Nördlingen is embedded with 72,000 tons of microscopic diamonds. About 15 million years ago, a meteorite hit this region, and the impact created a massive depression and formed rocks containing diamonds, glass, and crystals. The town was built in the impact crater sometime around 898 CE.

On April fool's Day, 1976, the BBC convinced many listeners that a special alignment of the planets would temporarily decrease gravity on Earth. Phone lines were flooded with callers who claimed they felt the effects.

Marion Stokes, a Philadelphia woman began taping whatever was on television in 1979 and didn’t stop until her death in 2012. The 71,000 VHS and Betamax tapes she made are the most complete collection preserving this era of TV. They are being digitized by the Internet Archive.

In China, Lotus shoes were used to bind women's feet to keep their feet small

Terry Fox was a 21-year-old one-legged cancer patient who ran 3,339 miles across Canada in 143 days before dying.

In 1939, George Dantzig arrived late to his statistics class. On the board were two famous “unsolved” problems in statistics written as an example by his professor. Dantzig mistook the examples for homework assignments. He solved the “unsolved” problems and submitted the homework to his professor a few days later. His solutions earned him a doctorate.

If you ask your friends what's the most famous ship in history the answer in most cases will be the same, of course the legendary Titanic. Its history is full of mysteries, at first it was a source of hope and national pride as well as proof of the triumphs of mankind but it soon became a source of nostalgia and pain, the extent of which cannot be described in words.

In the 1980s, an Indian man spent 72 hours in a glass cabin with 72 snakes, some of which were extremely venomous. His aim was to prove that snakes only attack when provoked. Remarkably, he was not bitten once in those 72 hours and even set a Guinness World Record in the process.