“There is a recorded case of hysteria in a large French convent in 1844. One nun began meowing like a cat, and shortly thereafter, every nun in the convent began meowing together for several hours at a time. This lasted until soldiers accompanied police to the entrance of the convent, and the nuns were informed that they would be whipped by the soldiers until they stopped meowing.”

Chainsaws were originally invented for childbirth.

” Cotard’s syndrome, also called walking corpse syndrome, is a condition wherein the patient believes they are dead, dying, missing parts of their bodies, or don’t exist. Some people with Cotard’s syndrome may stop speaking or eating since they believe they’re dead.”

There is an Island of the Dolls in Mexico City that has thousands of creepy dolls to honor a little girl who drowned in the 1950s. The island is said to be one of the most haunted places.

The only person to have survived death by electric chair, 17-year-old Willie Francis, reportedly described, “I tried to say goodbye but my tongue got stuck in the peanut butter, and I felt a burnin’ in my head and my left leg, and I jumped against the straps.”

“You have a bunch of microscopic parasites called Demodex on your eyelashes and in the pores on your face. They come out at night to lay eggs and eat the oils on your face.”

A human body could be skeletonized in less than four days in highly oxygenated deeper water, according to a study done by Simon Fraser University.

“There is a rare genetic disease called fatal familial insomnia where over the course of months you literally cannot go or be put to sleep no matter what you take or what you do. The symptoms get progressively worse until your brain deteriorates and you die from exhaustion.”

“When anglerfish mate, the male literally deforms its body and fuses with the female, and they live together for the rest of their lives.”

“The bodies of the 29 crew members of the SS Edmund Fitzgerald, which sank suddenly in Lake Superior in 1975, were never recovered and remain entombed in the freighter. In a 1994 submarine expedition, Fred Shannon’s team spotted a body on the lake bottom outside of the ship.”

Indian followers of Zoroastrianism don’t bury or burn their dead. Instead they leave the bodies in special towers, exposed to the elements to be eaten by vultures.

“Theoretically, it would take approximately 400 humans to have enough iron to forge a sword from blood. This is based on the fact that the average human has about 3.5 to 4 grams of iron in their body, and one hand-and-a-half sword weighs 1.5 kilograms (1,500 grams). So 1,500 grams divided by 3.75 grams is 400.”

Patchouli was used to cover up the smell of decaying flesh during the Black Plague.

“In 2015, former chief of the FBI’s Elite Serial Crime Unit John Douglas said, “A very conservative estimate is that there are between 25 and 50 active serial killers in the United States” at any given time.”

Tarantulas can swim.