Joseph Guillotin, namesake of the guillotine, opposed capital punishment but promoted the device as a more humane alternative to the brutal execution methods of his time when abolition proved impossible.

Spain, Mexico, Argentina, and many other countries don't have a tooth fairy; they have a tooth rat named El Ratoncito Pérez.

A 2008 study identified the top 10 choking hazards for young children as hot dogs, peanuts, carrots, boned chicken, candy, meat, popcorn, fish with bones, sunflower seeds, and apples.

A recent study has shown that people can guess whether a person is rich or not by judging their face, with 68 percent accuracy.

Metallica is the first and only band to have played on all 7 continents, achieving this feat within a single year.

People associate red roses with love due to Victorian-era floriography, where flowers, their types, and colours held symbolic meanings.

The smell of freshly-cut grass is actually a plant's distress signal, part of a defense mechanism that can warn nearby plants of potential danger.