Random Interesting Facts

    537 facts tagged with Interesting Facts

    Optical illusions occur when what the eyes see conflicts with what the brain expects.
    75
    McDonald's
    McDonald's
    Every day, 1% of the world's population is served at McDonald's.
    11
    The word 'mortgage' comes from a French law term that means 'death pledge'.
    14
    Cats and sleep
    Cats and sleep
    On average, cats sleep for 2/3 of their life. This would mean that a 9 year old cat has been asleep for 6 years.
    29
    Knocker-Up
    Knocker-Up
    Until the 1920s, there was a profession called 'knocker-up', which involved going from client to client and tapping on their windows (or banging on their doors) with long sticks until they woke up.
    46
    Gorillas can catch human colds and other illnesses.
    205
    Scientists in Germany have developed a candy that doesn't cause cavities.
    11
    When withdrawing money from an ATM, the 'whirring' sound before your money pops out is actually a recording. The actual mechanism is so far back that you can't hear it.
    282