08/02/2025
Humans can't walk in a straight line without a visual reference point. On the tiny island of Pingalap, about 10% of the population is completely colorblind. Also, a group of parrots is called a "pandemonium".
Here are some more, broken down by category:
Human Body/Life:
Humans are about 1cm taller in the morning than at night due to spinal compression during the day.
Dead skin cells are a major component of household dust.
Human teeth are the only part of the body that cannot heal themselves.
We shed around 200 million skin cells each hour.
You can't walk in a straight line without a visual reference point.
The average person walks the equivalent of 5 times around the equator in their lifetime.
Animals:
A group of crows is called a "murder," while a group of parrots is called a "pandemonium".
Bats save the U.S. agriculture industry billions of dollars annually by eating pest insects, according to Treehugger.
The critically endangered Kakapo bird has a strong, pleasant, musty odor which allows predators to easily locate it.
Cheetahs are so genetically similar that you can supposedly inject blood from one into another without issues.
Some turtles are more likely to be born female in warmer weather.
The Kakapo, a critically endangered parrot, has a strong, musty smell that attracts predators.
Other:
Australia is wider than the moon.
Venus is the only planet that rotates clockwise.
Competitive art was once an Olympic sport.
The 57 on Heinz ketchup bottles represents the number of pickle varieties the company once had.
On the island of Pingalap, about 10% of the population is completely colorblind due to a rare condition, according to a YouTube video.
There's a thriving population of wild horses in Arizona, but it is illegal to kill wild camels.
