1.The loneliest house in the world, located on the island of Eliday, Iceland. 
2.The connection between the teeth and the nerves in the brain finally understood why I had a headache even when I had a toothache. 
3.A $7.2 million check that the United States used to buy Alaska from Russia. 
4.A pair of beautiful red-crowned cranes deserve to be known as fairy cranes, as beautiful as a painting. 
5.Mount Olympus on Mars, this peak is the highest known mountain in the solar system, 21 above the Martian datum1 km, the height difference from the base of the mountain to the summit is 219 km. 
6.Einstein's transcript of his graduation from high school at the age of 17, when he attended the high school in Aarau, Switzerland, was graded on a scale of 6 on a maximum of 6 and a minimum of 1. In this report card, Albert Einstein scored 6 points in 5 subjects: Algebra, Geometry, Drawing Geometry, Physics and History4 subjects, 5 points: German and Literature, Italian and Literature, Chemistry, Natural History;3 subjects, 4 points: geography, drawing, technical drawing;The worst are French and Literature, with only 3 points. 
7.A giraffe with damaged cervical vertebrae. 
8.The researchers tracked six different wolf packs in Voyager National Park, and their trajectories showed how each pack avoided each other's territory. 
9.The back of Leonardo da Vinci's most famous Mona Lisa. 
10.If the other galaxies were a little brighter, we would be able to see this in the sky. 
11.The "Monument to Peace and Hope" in Lebanon consists of 78 military vehicles of different types from different periods around the world.
12.The real "blue-skinned man", this man from California, USA, named Paul Karason, the reason why his ** turned blue was because he suffered from dermatitis when he was young, and in order to cure the disease, he self-medicated colloidal silver (colloidal silver) for 10 years, which eventually caused ** to turn blue.
13.The gap between South Korea's night lights vs North Korea's night lights is indeed a bit big.
14.In 1894, the first bottle of Coca-Cola was put on sale, and the material list stated that it contained cocaine, and the name Coca-Cola (Coca-Cola) was the name of Coca and Kola, and it was not until later that the Coca-Cola Company began to restrict the use of cocaine, and the Coca-Cola Company removed cocaine.
15.The laboratory notes used by Marie Curie in 1899 and 1902 are still radioactive today and will last for 1500 years.
16.The U.S. Navy SEALs have released survival tips that show how to survive when thrown into the water with their hands tied.
17.On the first page of Oskar Schindler's list, each name represents the living life Schindler saved.
18.A U.S. nuclear test at sea at Bikini Atoll in 1946.
19.Compared to the largest star known today, the Earth is as small as a speck of dust in the universe.
20."Balloon Man" Christian Bale's body during the filming of "The Mechanic" has slimmed himself into a skeleton and lives only on apples and canned food every day. This level of dedication is impressive.
21.In World War II, Soviet female snipers killed nearly 800 enemies.
22.In 1928, the American airship "Los Angeles" landed on the USS Saratoga.