1. Experts recommend 15 to 20 minutes for breakfast and about 30 minutes for lunch and dinner. For the elderly, it is best to chew 25 to 50 times per meal.
2. Bhutan prohibits marriage between locals and foreigners. The country is too small and has a small population, and in order to preserve and perpetuate cultural traditions, this rule is in place.
3. Nigeria's National Day is October 1, 1960. 11. Happy National Day! Nigeria is the largest economy in Africa and China is the largest in Asia.
4. Female octopuses sometimes hang and eat male octopuses after mating.
5, a kind of insect called "wide bell hook moth", in order to avoid being hunted, will pretend to be bird droppings.
6) Sri Lanka has almost no middle class. As long as you can afford to buy restaurants and KFC, you are rich, and if you can't afford it, you are poor.
7, psychological theory: any woman who is used to biting a straw has a strong sexual desire, which is unattainable for ordinary men. So before you have a girlfriend, ask her for milk tea!
8. Macadamia nuts are toxic to dogs and can cause prostration, muscle spasms and paralysis. Other nuts are bad for dogs because they are high in phosphorus and can cause kidney stones, so try to avoid them.
9, grice birdcatcher spider is the world's largest spider, living in the tropical rainforest of Latin America. An adult female bird-catching spider is 38 cm wide, weighs 120 g and has fangs 2.5 cm long. They often prey on small animals such as frogs, lizards, and birds.
10. The giraffe mates for about one second.
11. The morgue of the cruise ship can store up to 10 corpses at a time, and the average number of people who die on the cruise ship each year is 200.
12, African fox is the world's smallest fox and canine, mainly distributed in the Sahara Desert and parts of Arabia. They replenish moisture by digging up the roots of desert plants and prey on gerbils, lizards and insects.
13, in the past, women liked to insert a silver hairpin on the bun, and the initial role of the hairpin was to defend the weapon.
14, the higher the IQ, the easier it is to be single. When you are single, you will not be happy!
15. In 2013, the National Institute of Allergy and Infectious Diseases (niaid) conducted a study and found that mosquitoes can fly to an altitude of 290 meters, which is about the height of the Eiffel Tower. According to the height speculation, there are mosquitoes on all floors from the 1st floor to the 31st floor.