1. Do you know when Beijing started to build a city? The earliest city of Beijing was Jicheng, the capital of the Shang Dynasty. At that time, Beijing was centered on Guang'anmen and continued until the Jin Dynasty. Thus, for more than 2,000 years after beijing was founded, everything outside the old Xuanwu district was a suburb. Later, in order to commemorate the establishment of Beijing, a "memorial pillar" was erected behind the "Jianjing Zhi" in Guang'anmen Riverside Park, on which was engraved the inscription: Zhou is the name of the early era of Beijing.
2. The ring-tailed lemur is a daytime active animal and the only daytime lemur in the world. They are gentle social animals. Whenever the sun rises, a group of lemurs meditate en masse to bask in the sun, which is interesting.
3, the most amazing thing in the world is stone - it can drink water, it can grow up, it can move! This magical stone is located in Romania, Europe. The surface of these stones looks the same as ordinary stones. If the stones are wet with water or rain, they become heavy and they move on their own. Scientists once cut a stone and found that there were notches on it that resembled annual rings!
4. Jet Li performed for President Nixon with the Chinese National Wushu Team when he was a child. Nixon asked him to be his bodyguard, but he refused.
5. Why is there no mathematics prize for the Nobel Prize? It is generally believed that this is related to the social environment of the time and Nobel's personal views. During the Nobel period, higher mathematics had not yet been applied to the field of chemistry, and Nobel did not realize the connection between higher mathematics and chemistry, so Nobel did not mention the establishment of the Nobel Prize in Mathematics in his will. Nobel personally believes that mathematics has not contributed to human progress.
6, a surgical operation takes so long, what if the doctor wants to go to the toilet in the middle? According to the surgeon, I don't want to go to the toilet during surgery! Because of the high tension, adrenaline is secreted, the blood vessels of the kidneys will contract, and the amount of urine filtered will decrease, so urine will rarely appear. If you must urinate, the doctor can have his deputy take over and go to the toilet himself after completing the first stage of surgery.
7) Aswan, Egypt, is the driest place for human habitation, with an average annual precipitation of 0.02 inches.
The average weight of a cloud is about 500 tons (100 elephants), while storm clouds weigh up to 200,000 elephants.
9. The black-headed forest bird (ju) and the weng are one of the few poisonous bird species in the world and are known as the king of poisonous birds. They live in the forests of New Guinea, and their feathers and skin contain toad toxins, which are dangerous to humans, but the amount of toxins in the black-headed forest partridge is not enough to kill people.
10. The Scottish writer Thomas Urquhart died laughing after hearing that Charles II ascended the throne in 1660.