Some Eastern European cultures have folktales about vampire pumpkins or watermelons. According to these stories, any pumpkin or watermelon kept too long (for a certain number of days, or sometimes past Christmas, depending on the story) will turn into a vampire. These vampires are not considered scary, as they lack teeth.

The oldest surviving pile carpet came from the 4th or 5th century BC, and was preserved in ice in a burial ground. In Europe, carpets were not commonly used on floors until about the 18th century. Until then, they went on tables and walls.

The first medical use of radiation was in 1936. A leukemia patient was treated with a radioactive isotope of phosphorous-32.

Cockatiels usually live 15-20 years.

Margarine was invented when Emperor Napolean III offered a prize to anyone who could come up with a substitute for butter.
A cat with a skin wound will have problems with the skin healing faster than the infection.
Mount Urpín, a mountain inside the city of Banská Bystrica (population ~80,000), is the home of 35 endangered animal [...]