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Looking through some of the world's most ancient documents, we can find records of the flood among lengthy identical accounts. These legends all imply that only eight or nine thousand years ago, there was indeed a world-destroying flood event that submerged the entire world's land, and the water level was extremely deep and the scale was extremely large. That great flood was not an ordinary rainfall flood. Its main characteristics were that great floods occurred everywhere in the world, forming flood plains with a depth of several meters or even tens of meters in the Great Plains. Low mountainous and high mountain areas were also affected by floods. According to records, while the sky was releasing water, there were many burning red rock formations, boulders, gravel, and huge ice sheets, ice cubes, gravel, etc. In the sky. Sandstorms and other materials fell to the ground along with heavy rains; the flood lasted for a long time, and both records and legends clearly show that the heavy rain lasted for more than 40 days and nights. First there was heavy rain, then blizzards and ice. This phenomenon was almost unprecedented; after the flood, the moon appeared in the sky above the earth. Many records and legends prove that there had never been a moon in the sky above the earth before the great flood.

A common explanation is that divination is an occult activity that uses supernatural methods to explore things. But no one knows exactly when this occult activity originated. Maybe when human ancestors were practicing slash-and-burn cultivation, they knew how to predict whether they could catch prey today through the cracks in stones. But there is no doubt that divination has a long history. In ancient Chinese, the word divination refers to yarrow. What is yarrow? Although it is difficult to read the word, it is actually the scientific name of the common sawgrass, and yarrow is made from the stems of this grass. Divination refers to tortoise divination. The turtle shell is burned with fire and the shape of the cracks appears to predict good and bad luck. The pseudo-oracle bone inscriptions of the Yin Ruins are direct archaeological evidence of the existence of tortoise divination. Of course, in ancient China, there were more than just these two divination methods. You could also use the Zhouyi and the Plum Blossom Book of Changes to set up hexagrams for divination, and you could also get some small animals-chickens and birds-for calculations.

Time is like an invisible machine that drives the movement of the universe. Without its existence, everything in the universe will be static; time is more like a long, meandering river, carrying us around in the colorful world. Whether we like it or not, the torrent of time will ruthlessly carry us away. From ancient times to the present, time travel has always been people's dream. We hope to go back in time to save a love or prevent a tragedy; we look forward to entering the future and transcending our limited life. From a scientific perspective, humanity's most fascinating conjecture about time magic lies in Einstein's theory of relativity. Change, eternity, and distance, apart from artificial emotions, are actually neutral. From a physical point of view, eternity must be cold and silent. "Time and space are everywhere at all times." This is a philosophical proposition and one of the most common misunderstandings among people.

Drought, epidemics, yellow sand in the sky, even corn, the last food of mankind, are facing the danger of being swept away by sandstorms... In the Hollywood blockbuster "Interstellar", the scene of the end of the earth makes people's hearts sink. In the movie, as the natural environment deteriorates, most species have become extinct. Even if humans create ultra-intelligent robots, they will not be able to restore our vibrant home planet. If the earth is doomed, then where will life go...

The world is full of wonders. There are all kinds of "wonderful people" living around us all the time - some claim to be able to predict the distant future, some are able to move large and small objects using just their thoughts, and some claim to be able to enter the vast universe and maintain mysterious connections with the dead. Scientists could not explain this strange phenomenon with common sense, so they called this power beyond the human body's normal capabilities special functions. Regardless of ancient and modern times, at home and abroad, supernatural powers have always been a hot topic in society and a focus of debate in theoretical and scientific circles. If we can uncover the secrets of the human body's special functions and then introduce its results into the field of human science and even the field of life science, then the impact it can bring to the entire society must be all-round. Is it a sensational rumor or an objective fact? We don't know at this point.

The Greeks said that the human century was divided into four ages: gold, silver, bronze and black iron. At the end of each age, human beings will be punished by God due to their fall and corruption, resulting in destruction and rebirth. The Trisolarans say that the irregular movements of the three suns caused the "Era of Constant Era" to intersect with the "Era of Chaos", and civilization continued through hundreds of disasters. Geologists say that since the Phanerozoic, life has gone through at least five mass extinctions. Before the rise of our species, were there other prehistoric civilizations on Earth? What about all the man-made objects on the earth that should not exist? The myths passed down from generation to generation, the traces left on the sea, land and air, what happened on the ancient earth? Let us explore with you.

Sometimes, it is like an arrow leaving the string; sometimes, it is like an old ox pulling a broken cart; sometimes, it is crawling like a snail. We cherish time like gold, and we throw it away at will, but we always hope to have more of it. Time is so natural to us that it is easy to forget. In fact, it's almost shocking how strange it is. The more we know about time, the more restless we feel about it, like a tangled mess that keeps getting cut and sorted out. Why does it only flow in one direction? Is it a real thing, or just a figment of our imagination? Is time travel possible? How did it start? Will it ever end? Can it provide the obscure truth about all things? What is time? What is the time? It is this question that has vexed many scientists from ancient philosophers to the Enlightenment and beyond.

Over the years, the exploration of extraterrestrial civilizations has become a global cultural phenomenon. However, we still know very little about the mysterious galactic city-states and their advanced extraterrestrial civilizations. We have always had this question: Do aliens really exist? What kind of history and civilization do they have? After several months, the editorial department of this magazine collected a large amount of precious information with the help of many archaeologists, physicists, memory experts, planetary scientists, astrobiologists, astronomers, and UFO researchers, and specially planned the special topic "Extraterrestrial Civilization: Tracking Extraterrestrial Life" to go on a mysterious journey with readers and analyze the mysteries of extraterrestrial civilization. Extraterrestrial Civilizations: UFOs It is said that aliens have visited the earth many times during the evolution of human beings, and have shown extremely high levels of intelligence and technology.