The world is big and strange, all kinds of fun and interesting unpopular knowledge is waiting for us to explore, today let the knowledge jun take you to learn these fun cold knowledge!
1. The first person in the world to have a driver's license was Bertha Ringel, wife of the father of the car, Carl Benz. In 1893, France officially introduced regulations on driving tests and driving licenses, and Bertha Lingle, the world's first brave test driver, naturally became the first person to obtain a driver's license.
2) Henry Ford was only interested in making money and didn't care about the treatment of workers. Henry Ford was a notoriously anti-Semitic, and during World War II, Ford also had slave laborers build trucks for Nazi troops at Ford's German factories.
3. The Eiffel Tower in France is repainted every seven years. On February 1, 2021, technicians repainted and restored the Eiffel Tower, the 20th since its construction in 1887.
4, the British Guardian once released a data: the average annual human cannibalism can cause 470,000 deaths, higher than the number of human deaths caused by all beasts of prey combined.
5, according to scientific research, when in space, astronauts' hearts will become smaller. When the gravitational element disappears, the human body does not have a continuous downward gravitational pull, and the heart contracts.
From 1927 to 1941, it took 14 years to build and employ 400 workers, but the cost of this mountain was actually less than 1 million yuan.
7, such as the bottle of marine plankton plays a very important role in the marine ecological environment, because they convert some garbage into carbon-containing particles, and then sink to the bottom of the sea, which effectively reduces the carbon content of surface water.
8. The latest WHO data shows that globally, more than a quarter of adults do not meet the global recommendations for exercise. That is, at least 150 minutes of moderate-intensity aerobic physical activity per week, which translates to less than 20 minutes of exercise per day.
Today's sharing here first, pay attention to the knowledge jun, update a variety of interesting cold knowledge every day, we will see you in the next issue! (This article is the original article of the knowledge king, please do not use it for commercial purposes, the offender will be investigated!) ）