1. The advent of the film stemmed from a gamble
In 1872, several British horse racers debated and bet on whether a hoof always landed on the ground when the horse ran. To understand why, Macbridge placed 24 cameras on the side of the road, and when the horses ran to each camera, they captured the movement of the horses at this time. He then placed the photographs in turn on a rotatable glass disc and used a disc with a slotted disc in reverse motion, so that the photographs took turns appearing in the slot, thus seeing a set of images of the horse's continuous movements as it ran. This is the prototype of film, which laid the foundation for future generations to study film.
2. Pigs can distinguish faces by learning
In 2018, an experimental study found that pigs can form a rich cognition by learning to distinguish faces and stimulate different senses, especially vision.
3. Shaking legs is a disease
There is a medical disease called restless leg syndrome, and its symptoms are mainly irrepressible leg shaking, which is more similar to our daily leg shaking behavior.
4. Face blindness is just a colloquial term
Face blindness is just a common name, its technical term is called "human face recognition disorder", face blindness is not an "illusion", but the brain has been damaged.
5. Why is the roast meat so fragrant
Maillard reaction refers to the high temperature conditions (generally above 120 ° C) baking, frying, cooking, the carbohydrates in the food and proteins react, release some flavor substances, while changing the color of the food.
6. It is easy to fall asleep after lunch
This state is easy to fall asleep after lunch, and this state has a word in English called "food coma", which translates to "food coma", which is to describe a physiological state of drowsiness after a full meal.
7. Procrastination
Procrastination has a certain intersection with laziness, but it does not refer to laziness. Procrastination refers to a behavior of postponement with negative consequences and avoidability; "laziness" is a life-like word.
8. Homework
The student's homework was invented by an Italian teacher named Robert Naviglis, who invented homework in 1905 as a means of punishing students.
9. How the ancients drank tea
Before the Tang Dynasty, people used the method of drinking tea called boiling tea, and when boiling tea, they had to add some ginger, green onions and other condiments.
10. Picasso's full name
Picasso's full name: Pablo. Diego. Horse. Shan Diego. francisco. morality. Paula. Juan. Nepomoceno. Crispiniano. morality. Ross. Remidios. West Polyano. morality. pull. Sandicima. Trinidad. Maria. Parisio. Crito. Ritz. Blasco. Picasso.
11. Snail teeth
Snails are the animals with the most teeth in the world. Although its mouth is about the size of a needle tip, it has more than 26,000 teeth.
12.Giants
American Robert Pershing Valdro, the tallest person in the history of human medicine and the Guinness Book of World Records, Vadero is 2 meters tall and weighs 222 kilograms, and the reason why he grew tall rapidly in adulthood was that he had a tumor in the pituitary gland and had gigantism.
13. Body armor
The general body armor can not resist the cold weapon, most of the body armor is woven with fiber, sharp cold weapon can be pulled through the fiber through the gap.
14. Olympic gold medal
The last Olympics to use pure gold medals was the Stockholm Olympics in 1912. After that, the Olympic gold medal was changed to a gilded medal.
15. Shang Fang Sword
The Shangfang Sword refers to the sword collected by the ancient Chinese emperor in "Shangfang", known as the "Shangfang Chopping Horse Sword" in the Han Dynasty, and the Shangfang Sword in the Ming Dynasty, that is, the sword used by the emperor. Shang Fang (also above): The official office in charge of manufacturing and supplying imperial utensils.
16. People of the same era
U.S. President Washington and Qing Emperor Qianlong died in the same year as 1799, an ancient emperor with long pigtails, a U.S. president in a suit, who felt that he was not a man of the times.
17. Green does not prevent myopia
Green will not prevent myopia and reduce eye strain. The reason why we look at the flowers and trees in the distance will feel very comfortable, mainly because the ciliary muscle is continuously contracted when looking at the near place for a long time, and the distant view can relieve its tension, which has little to do with what color and what object to see. Although psychological studies have shown that green can soothe and calm people, it has no special effect on the eyeball itself.
18. Disposable tintin
The male genitalia in the sea hare are disposable after each mating, and a new penis is regenerated within a day for the next mating. This is the first time scientists have found that animals have renewable penises and repeated mating using "disposable penises" .
19. Fish that can degenerate on their own
Panamanian chalk has two sets of reproductive organs, eggs and sperm can coexist in the chalky body, so they will be sex selected according to the sex of the companion fish. Twenty times a day, you can change genders, almost can be said to switch between male and female sexes freely.
20. Where exactly is the sound of ringing fingers
Snapping the finger is a sound that vibrates after the middle finger hits the muscle at the base of the thumb. Instead of the sound of thumbs and middle fingers squeezing and rubbing against each other.
21. "Six gods without a master" refers to which six gods
In Taoism, the "six gods of the six gods and no masters" refers to the gods who dominate the human heart, lungs, liver, kidneys, spleen, and gallbladder. Ownerless: No idea. Describe being flustered and undecided.
22. Horror sound effects in movies
The water organ is a specialized film soundtrack instrument called the waterphone in English, and it is the creepy metal sound of most horror films that it emits.
23. Breakfast cornflakes
Breakfast corn flakes were originally invented to suppress people's sexual desire, the inventor believes that cereals and nuts have the effect of curbing sexual desire, so they invented the flaky breakfast cereal food "corn flakes".
24. Ant termites are not of the same kind
In terms of taxonomy, ants and termites belong to two different orders of insects, ants belong to hymenoptera and termites belong to isoptera.
25. The strongest explorer on the surface
Roald Amundsen was born in Norway in 1872. He achieved two "firsts" in the history of exploration: the first to sail the Northwest Passage. The first one reaches the South Pole.
26. What species is the "Cold Horn bird"?
The cold trumpet bird is actually not a bird at all, it is actually a compound-toothed shrew. Also known as the orange-footed shrew, yellow-footed shrew, flying squirrel, cold trumpet worm, cold rat, is a rodent. The cold trumpet bird stays in the nest during the day and goes out at dusk or at night. Because of its nature afraid of the cold, it is called day and night, and it is commonly known as the "cold trumpet bird".
27. Meat sandwich steamed buns
The officially certified English name of the meat sandwich bun is: Rougamo
28. Carrots do not belong to radishes
Carrots are not actually turnips, but carrots of the umbelliferous family, and are related to celery and fennel.