The amniotic fluid in a mother’s womb, , which can be nearly a liter of fluids at 30+ weeks, is replaced every 3 hours towards the end of pregnancy. – WTF Fun Facts
Source: http://www.embryology.ch/anglais/fplacenta/amniotique01.html
Penn & Teller created a video game in 1995 called ‘Desert Bus’. In the game, the player drives an 8-hour bus route in real time between Tucson and Vegas. The scenery never changes from rocks and road signs and once the player reaches the destination, they have to turn around and drive back. – WTF Fun Facts
Source: https://www.newyorker.com/tech/annals-of-technology/desert-bus-the-very-worst-video-game-ever-created
There is a Wait Calculation for interstellar travel. It attempts to determine the minimum number of years it should take us to travel somewhere, such that a future mission doesn’t pass the previous one due to advances in propulsion technology. – WTF Fun Facts
Source: https://www.researchgate.net/publication/260275150_Interstellar_Travel_-_The_Wait_Calculation_and_the_Incentive_Trap_of_Progress
Umami is the recently identified fifth taste. It is described as a savory flavor and is caused by glutamate, an amino acid. It is associated with foods like tomatoes, meat, cheese, mushrooms, and more. – WTF Fun Facts
Source: https://www.rd.com/food/recipes-cooking/13-foods-with-natural-umami/
The Miracle Berry, or synsepalum dulcificum, is a fruit from West Africa which contains the taste modifier Miraculin. When you eat the fruit, the miraculin molecules bind to the tongue causing sour foods to taste sweet. – WTF Fun Facts
Source: https://en.wikipedia.org/wiki/Synsepalum_dulcificum
A 74 year old Japanese man dressed as a ninja and burgled 254 homes and stole $260,000 worth of goods before finally being caught by local police. – WTF Fun Facts
Source: https://grapee.jp/en/88152
A mouse’s sperm is much, much larger than an elephant’s sperm. However, the fruit fly produces the longest sperm known to science. – WTF Fun Facts
Source: https://gizmodo.com/this-is-why-a-mouses-sperm-is-longer-than-an-elephants-1743378063
Cats have a dominant paw very similar to how humans have a dominant hand. These preferences also differ by sex – same as in humans. Males tend to prefer their left paws, whereas females were more likely to be righties. – WTF Fun Facts
Source: https://news.nationalgeographic.com/2018/01/animals-pets-cats-right-handed/
Glossy magazines are radioactive. They are made with a white clay called kaolin which contains elevated levels of uranium and thorium. – WTF Fun Facts
Source: https://www.orau.org/ptp/collection/consumer%20products/magazines.htm