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World's top 10 core technologies ranking
Technology is vital for every country. In today's world, every country pays great attention to the development of science and technology industry, and only technology can bring progress. So do you know what are the top 10 core technologies in the world? -
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The top 10 oldest cities in the world
There are many vibrant metropolises in the world today, such as Tokyo, Chicago, New York and Dubai. There are also many ancient cities in the world that have a very long history and carry symbols of past eras and civilizations. So what are some of the world's historic cities? What are the ancient cities in the world? -
The world's longest banana variety: cow horn banana 60 cm long
Banana is a year-round fruit with very rich nutritional value and many micronutrients are very beneficial to our body, and many people like to eat them. There are many varieties of bananas, and the taste and flavor of each variety are different, so do you know which is the longest variety of banana in the world? -
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The world's ten deepest sea
It is well known that there are four major oceans on earth: the Pacific Ocean, the Atlantic Ocean, the Indian Ocean and the Arctic Ocean, occupying a total area of 70%, in which a large number of plants and animals as well as mineral resources live, leaving valuable wealth to mankind. The size of each ocean varies, and the depth is shocking. -
The world's dirtiest stone. kissed by 400,000 people
Stones are a very common thing in people's daily lives, but there is one stone in the world that people come from far and wide to ask for a kiss. It is said that even world dignitaries and celebrities come to Ireland without fail to kiss this stone. So, what is so amazing about this stone? -
The most beautiful praying mantis in the world: The orchid mantis
The world's most beautiful praying mantis is the orchid mantis, which comes from the tropical rainforests of Southeast Asia and has a camouflage that can change its color. And in order to achieve a better camouflage effect, their limbs gradually turn into the appearance of flower petals. Orchid mantis not only looks good, but also very smart. -
Ranking of the world's five nuclear powers
Nuclear weapons are the most powerful kind of weapons nowadays, and many countries are secretly researching continuously in the hope of developing nuclear weapons. Do you know which countries are the five nuclear powers? Only countries that are officially recognized by the Treaty on the Non-Proliferation of Nuclear Weapons as possessing nuclear weapons are legitimate nuclear weapon possessors, and there are only five countries in the world - the United States, Russia, China, France, and the United Kingdom - that are also known as the five nuclear powers. -
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The world's top ten paranormal phenomena
It is believed that science has the power to interpret everything in the world. The fact that man has achieved air flight, researched a cure for a hundred diseases, and so on have made people amazed by the great power of natural science. So what do you know about paranormal phenomena in the world? -
The world's smallest airport: The runway length is less than 400 meters
The smallest airport in the world is Juancho Yarraquin Airport. The runway length is less than 400 meters, let's learn more about it. -
The world's only flightless parrot: The owl parrot
In our impression, in addition to ostriches, few other birds have wings but can not fly, the world's only kind of parrot can not fly - owl parrot. This parrot is not like other parrots generally slender and proportionate, the body is too fat in relation to the wings, because its wings are difficult to support the owl parrot flight, so that can not fly into it a great disadvantage
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