“After around four days, the gas inside a dead body builds up, causing the corpse to expand. This pushes the eyes out of their sockets and pushes the tongue out of the mouth. “

In Victorian times, one in four patients died after surgery.

“Medieval doctors used bloodletting as a standard treatment for lots of conditions. Sometimes it involved placing a leech on the pertinent part of the body, while other times, doctors would simply slice open a vein with a blade called a fleam.”

“It’s thought that around 3 million shipwrecks are stretched across the ocean floors of Earth, and some are likely to be thousands of years old.”

“The stingers of a Japanese giant hornet contain venom so toxic that it can melt human flesh.”

“It was common to use human remains as ingredients in medicine until the 20th century. Adding a specific part of a dead body (in powder form) to medicine was thought to cure diseases in that same area. For instance, skull powder was used to treat headaches!”

Samhainophobia is defined as a persistent, abnormal and unwarranted fear of Halloween.

Between 5 and 10% of the world’s population died because of Genghis Khan’s attacks.

“In the 18th century, mortality rates were so high that doctors couldn’t always be there to make sure a patient was actually dead. “

It’s estimated that between 40,000 to 100,000 people were executed for witchcraft.

In July 2001, blood-red rain fell in Kerala, India. A study showed that the rain had been coloured by airborne spores from a locally prolific terrestrial green alga.

All planets in the Solar System can fit in the space between Earth and the Moon.