science Raj Chety, a famous economist at Harvard University, China Daily, November 3 (Dang Chaofeng) Recently, Raj Chety, a famous economist at Harvard University, pointed out in a speech that the decline of the "American Dream" reflects the fundamental changes in the US economy. He said "Perspective" Harvard University economist: We live in two different countries, and blacks are facing many obstacles to realizing the "American Dream" 07/10 1665
science #Is it possible that the earth is the highest civilization in the universe# "Cosmic civilization: It may really exist, but do we really know?" Does it really exist? Although the existence of cosmic civilization has not been proven, many people believe in its existence. They may b Cosmic civilization: It may really exist, but do we really know? 07/10 1824
science Speaking of alien species, many people may only cause a "sensation" if there are any creatures. For example: In 2022, there were rare white fox incidents, although this creature looks mild, and people still breed it. However, after all, it is still an alien species, not a native More than 11 provinces and cities! "Poisonous flowers" have appeared in many places across the country. How "poisonous" is it? I saw the roots 07/10 1606
science Recently, a yellow flower in Canada has attracted attention. This "plant killer" that was once reported and popularized by major media has once again appeared in some parts of Zhejiang. ↓↓ We have also done related reports before. Why is "this flower" so infamous? "Canadian Yello One thing is reduced to another! "Canada's Yellow Flower" meets an opponent in Zhejiang, and the Huyang makes great contributions 07/10 1963
science We often use "inseparable" to describe the close relationship between people and shadows. In fact, there is another thing that is closer to us than shadows, and it is time. Time is everywhere around us, filling every corner of our lives, and we can feel the existence and passage Let’s talk about the nature of time, does time exist? What exactly is it? 07/10 1008
science According to our daily life experience, since the earth has been spinning at high speed, if the helicopter hovers in the air and does not move, it should indeed reach the other end of the earth in 12 hours. The helicopter hovered in the air and could reach the other end of the earth in 12 hours? 07/10 1559
science There are always people joking about it online. "Your ×× skill was taught by the physical education teacher, right?" It's a joke, but in real life. Roger used to plant corals in the Pacific Ocean. Planting corals in the Pacific Ocean, Keke Xili photographed Tibetan foxes: This scientist, "teached by the physical education teacher"? 07/10 1536
science There have been many large-scale catastrophic events in the world, and there are many reasons, such as earthquakes, volcanic eruptions, tsunamis, etc. These are all factors that can cause large-scale catastrophes. In addition to these natural disasters, the most common disasters Big Bang: Is the unsolved mystery of the Big Bang? Is it caused by human factors, nature or something from outside the world? 07/10 1204
science On the morning of November 3, the Information Office of the People's Government of Shandong Province held a press conference to release the preparations for the World Seaport City Cooperation and Development Conference. The conference released the latest definition of "sea estuar What is a "highway city"? This conference gives the latest definition 07/10 1630
science Recently, video clips of Wang Fusheng, an academician of the Chinese Academy of Sciences, answered "self-limited disease" have been widely circulated online. Many netizens believe that the new coronavirus infection is a self-limited disease, and it can be "sustained" by relying o Big news! Expert Interpretation: How to Understand COVID-19 is a Self-Limited Disease 07/10 1255
science Author: Ouyang Lin is inspiring! In the past two days, the good news about female scientist Yan Ning returning from the United States has become a hot topic. At the 2022 Shenzhen Global Innovation Talent Forum, female scientist Yan Ning made a keynote speech: Come back! She is ab Female scientist Yan Ning: Go back is the time to serve the motherland 07/10 1755
science Cornell University in the United States conducted a famous experiment. After careful planning and arrangement, they threw a frog into the boiling oil pan. At the critical moment of life and death, the frog had all his strength to jump out of the boiling oil pan that would inevita Frog Effect—Ignoring Crisis Is the Real Crisis 07/10 1866
science The advent of the Internet age has brought human spiritual life into a new stage, which has greatly expanded the group subconscious and collective unconscious of human beings as a whole. Of course, the premise is that the concepts such as "group subconsciousness" and "collective After solving the origin of consciousness, you have a great chance of understanding the truth of the universe 07/09 1700
science Introduction: Weather forecast: Today is the tenth day of October, and large-scale rain and snow are confirmed. Is this year a cold winter? How come the farmer proverb says today is extraordinary, it’s so amazing. Weather forecast: The rain and snow cooling range on the 3rd of today has been confirmed. Is this year a cold winter? What to say about the farm proverb 07/09 1119
science Advances in technology and development can bring more advantages to people, so in this process of utilization, there will be many aspects of presentation, and my country's development is also reflected in such a process and more. Although many people think that Northwestern Polyt How awesome is Northwestern Polytechnical University? Always known as the "Chief's Cradle", its strength is undoubtedly 07/09 1301