1 | The world’s oldest wooden wheel is over 5,000 years old
It was found in 2002 about 19 miles south of Ljubljana, the capital of Slovenia, and is now in the city’s museum. Radiocarbon dating has been used to determine the age of the wheel, which ranges from 5100 to 5350 years.
2 | Dead skin cells are the main component of house dust
Here’s an interesting scientific fact for you: According to researchers at Imperial College London, people lose about 200 million skin cells every hour, and they need somewhere to go when we’re indoors. If you don’t like the idea of skin dust, you should know that a report from the American Chemical Society says that a skin oil called squalene naturally helps reduce indoor ozone levels by up to 15 percent.
3 | Sudan has more pyramids than any country in the world
Not only does Sudan have more pyramids than Egypt, but their number also is not even close. While 138 pyramids have been discovered in Egypt, there are about 255 in Sudan.
4 | The bumblebee bat is the smallest mammal in the world
With a weight of 0.05 to 0.07 ounces, a head-to-body length of 1.14 to 1.29 inches, and a wingspan of 5.1 to 5.7 inches, the bumblebee bat, also known as the nosed bat Kitty is the smallest mammal in the world. , according to the Guinness Book of Records. To see this tiny bat with your own eyes, you need to visit one of a select few limestone caves on the Hwae Noi River in Kanchanaburi province in southwestern Thailand.
5 | The circulatory system is over 60,000 miles long
According to the Franklin Institute, if a child’s entire circulatory system, we’re talking veins, arteries, and capillaries, were laid out flat, it would stretch over 60,000 miles. By the time we reach adulthood, our bodies are home to approximately 100,000 miles of blood vessels.
6 | The cornea is one of two parts of the human body that does not have blood vessels
The cornea is the transparent part of the eye that covers the pupil and other parts of the eye. Cartilage and the cornea are the only types of tissue in the human body that do not contain blood vessels, say scientists at the Schepens Eye Research Institute at the Harvard Ophthalmology Department.
7 | The world’s first full-length animated film was filmed in Argentina
Even if you know a lot of Disney trivia, you can assume that Walt Disney’s 1937 film Snow White and the Seven Dwarfs is credited as the first animated feature film. But 20 years earlier, a full-length animated film was shot in Argentina. According to the Guinness Book of World Records, it was a political satire called “El Apostle”, consisting of 58,000 drawings and running for 70 minutes.
8 | German chocolate cake was invented in Texas
The “German” part of a German chocolate cake belongs to an American, not to a European country. Specifically, it is named after Sam German, who in 1852 created the formula for the Baker’s Chocolate Company’s soft dark chocolate bar, which was later named Baker’s German’s Sweet Chocolate. Fast forward to June 13, 1957. The Dallas Morning Star published a cake recipe conceived and submitted by a reader named Mrs. George Clay, according to What’s Cooking America.
9 | The Philippines is made up of 7641 islands
The Philippines is an archipelago, which means that it is made up of a group of islands, 7,641 islands to be precise. This figure does not include the thousands of sandbars and other landforms that appear at low tide.
10 | There is enough gold inside the Earth to cover the planet
It turns out that there is quite a lot of gold on our planet, or, in fact, in it: 99 percent of the precious metal can be found in the core of the Earth, according to Discover magazine. How much is there? Enough to cover the entire surface of the Earth with 1.5 feet of gold.