According to an extensive, 2011 study by National Geographic, the average human is a 28-year-old, right-handed, Han Chinese man who makes under $12,000 a year and owns a cell phone, but has no bank account.

In 1930, a patent was issued to Helene Shelby for a giant skeleton with glowing eyes designed to make criminals confess.

‘Doppelgänger’ is an old German word that originally referred to an apparition of a living person, like if the ‘ghost’ of your grandmother walked past you even though she wasn’t dead at the time. It was also believed that seeing your own doppelgänger was a sign of your imminent death.