1. Olympic gold medals were made of pure gold before 1912, while after 1912, Olympic gold medals were made of alloy material, and only a layer of gold was plated on the appearance of the gold medal.
2. The world's slowest bicycle riding speed was created by the Japanese Tsugunobu Mitsusuishi in 1965, and the speed is - 0 km / h. The 39-year-old Mishi Seung-jing persevered for 5 hours and 25 minutes in a bicycle stationary balance competition.
3. The fastest bike ride in the world reaches a speed of 296 km /h. The record was set by The American woman, Denis Miller-Korenek. The last person to record was John Howard, a three-time Olympic cycling gold medalist with a world record of 250 kilometers per hour, and Denise Miller-Korenek trained with John Howard for six years to finally break the world record.
4. The most push-ups recorded in a day were 46,001.
5.The refueling speed of the F1's refueling gun is 12L/S, which requires three people to support it.
6. There is an interesting thing in the United States that people are accustomed to referring to wrestling performances as "professional wrestling" and real wrestling matches as "amateur wrestling."
7. One of the players who has played the most games in a single season is Walter Bellamy, who played 88 games in the 1968-69 season, the most in single season history.
8. In 1959, Premier Zhou regarded the victory of the first world championship between the Ten Years national day and the Rong Guotuan as the two great joys of that year, and therefore named the table tennis ball produced for the first time in China "Red Double Happiness".
9. Rock climbing originated in Europe in the 18th century, after the development of 1970 became an independent sport, and later there was unprotected freehand climbing, unprotected freehand climbing is also known as the first of the top ten extreme sports, the mortality rate of up to 50%.
10. Although the running speed of human beings is not fast, it is the best running creature on the earth.
11. How many feathers are there on badminton? A standard badminton ball has 16 feathers, and there have been 14 or 15 badmintons in history, but it was finally found that 16 feathers are the number that can ensure the smooth flight of badminton and maintain the gap between feathers.
12. When you walk down a steep hill, the pressure on your knees is about three times your body weight.
13. Many people who like to watch volleyball games will find that every World Cup is held in Japan, because the Japan Volleyball Association bought the permanent right to host the World Cup for men's and women's volleyball for $1.5 million that year.
14. In a horse race in 1923, a rider died of a heart attack during the race, but his mount completed the race independently without anyone controlling it, and the rider became the only rider to win the race after his death.
15. The only player to win the scoring + assists king in the same season, his height is only 1.85 meters, he is Nate Archibald.
16. When you sit up, your upper body lifts at least 65% of your own weight.
17. There are various board games all over the world, and the number of pieces of each board game is different, but the largest number of pieces in the world is a board game called "Big Picture Shogi", with a total of 804 pieces.
18. Wade has the largest gills in the NBA, and the circumference of the gills reaches a terrifying 42cm.
19. Every time you shuffle a poker, the order of the shuffled cards is most likely the first time in the world that the order is in this order, that is, every time you play a card, it is likely to be creating a new world record.
20. One study found that a person who stood completely immobile at the same time consumed more energy than a person who walked slowly, which means that standing still is more tiring than walking.
21. Early morning is not the best time to exercise. The World Health Organization recommends that 9:00-10:00 a.m. and 16:00-20:00 p.m. are suitable for exercise.
22. Throughout the NBA, there are currently 7 teams whose head coaches have spent time with the Spurs in the past. They are Bucks coach Budenholzer, 76ers head coach Brett Brown, Hornets head coach James Borrego, and Bulls head coach Kim Boylen, all of whom have been Popovich's assistant coaches in the past.
23. People's butts play a strong stabilizing role when running.
24. When exercising in the evening, the body's auditory, visual, and olfactory coordination ability is stronger.
25. Divers need to take a shower immediately after jumping, which is to reduce the side effects caused by temperature differences and can also be regarded as a warm-up activity.
26.The NBA has two 0.1-second kills.
27. There is a sport known as underwater rugby, as the name suggests, which is a rugby sport played underwater, and the players participating in this sport are composed of 6 players each, who need to dive in the swimming pool to score goals.
28. Two of the strongest rookies in NBA history – Unseld and Chamberlain. In his rookie season, he won the regular season MVP and the best rookie.
29. Football is very popular in the world, there are countless fans around the world, and German fans not only love to watch the ball, but also developed the habit of "watching the ball and taking notes", the content of the notes is more varied, in addition to player information, stadium information, and even weather conditions and cheerleaders information.
30. A basketball variant unique to Russia: Regball. The sport is a mix of basketball and wrestling, making it impossible to tell whether to play or hit people.