FACT: The world’s oldest wooden wheel has been around for more than 5,000 years
The wheel was discovered in 2002 around 12 miles south of Ljubljana, Slovenia’s capital, and is now on display in the city’s museum. The wheel’s age was determined via radiocarbon dating, and it is believed to be between 5,100 and 5,350 years old.
FACT: Dead skin cells are a main ingredient in household dust
According to researchers at Imperial College London, humans shed around 200 million skin cells each hour—and they have to go somewhere when we’re indoors.
FACT: Sudan has more pyramids than any country in the world
Not only does Sudan has more pyramids than Egypt, but they are not close in number. 138 pyramids have been found in Egypt, while about 255 pyramids have been found in Sudan.
FACT: The bumblebee bat is the smallest mammal in the world
According to the Guinness Book of World Records, the bumblebee bat—also known as Kitti’s hog-nosed bat—is the smallest mammal in the world, weighing in at 0.05 to 0.07 ounces, with a head-to-body length of 1.14 to 1.29 inches and a wingspan of 5.1 to 5.7 inches.
FACT: There’s enough gold inside Earth to coat the planet
As per the Discover Magazine, 99 percent of the precious metal can be found in the Earth’s core, which stands enough to coat the entire surface of the Earth in 1.5 feet of gold.
FACT: Firefighters use wetting agents to make water wetter
The chemicals reduce the surface tension of plain water so it’s easier to spread and better soaks into objects, which is why it’s known as “wet water.”
FACT: That tiny pocket in jeans was designed to store pocket watches
The original jeans had only four pockets: that tiny pocket, plus two more on the front and just one in the back.
FACT: No number before 1,000 contains the letter A
But there are plenty of E’s, I’s, O’s, U’s, and Y’s.
FACT: The # symbol isn’t officially called hashtag or pound
Its technical name is octothorpe.
FACT: Humans aren’t the only animals that dream
Studies have indicated rats dream about getting to food or running through mazes. Most mammals go through REM sleep, the cycle in which dreams occur, so scientists think there’s a good chance they all dream.
FACT: The MGM lion roar is trademarked
At the start of any movie made by the Metro-Goldwyn-Mayer studio, the iconic lion roars at the audience. While MGM has gone through several iterations of lion mascots, the sound of the roar is always the same. The company trademarked the “sound mark” with the United States Patent and Trademark Office in the 1980s.
FACT: Cows don’t actually have four stomachs
They have one stomach with four compartments. (fda.gov)
FACT: There are no muscles in your fingers
Their function is controlled by muscles in your palms and arms. (assh.org)
FACT: It’s impossible to hum while holding your nose
FACT: Difference between JAM and JELLY
The difference between jam and jelly is that jam is made with mashed up fruit while jelly is made with fruit juice. (bonapetit.com)
Source: Readers’ Digest