560-520 million years ago, various animal phyla appeared and expanded rapidly in a relatively short period of time, forming an animal-dominated marine ecosystem. This major event in the history of life evolution is called the Cambrian Explosion. For some time, its cause has been a hot topic of concern in academia. The traditional view is that it may be related to the oxidation of the ocean. The increase in the oxygen content of seawater has brought about the "explosive" appearance of early animals. However, relevant studies have shown that early animals did not have a high demand for oxygen. There is also a view that ocean oxidation is the result of the Cambrian Explosion, not the cause. It can be seen that the feedback mechanism between the early Cambrian ocean oxidation and the "explosion of life" is still unclear and needs further exploration.

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The German government has agreed to remove key components from Huawei and ZTE from its 5G core network by the end of 2026, citing national security concerns.

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Li Di, chief scientist of "China's Sky Eye (FAST)", was awarded the Marcel Grossmann Award, becoming the first Chinese scientist to win the Marcel Grossmann Award for domestic academic achievements.

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Baidu's self-driving online car-hailing app "LuoBoKuaiPao" was accused of grabbing the market in Wuhan at a low price, which attracted public attention. Wuhan taxi drivers accused self-driving online car-hailing apps of "stealing the jobs of the lower class", and some drivers began to return their cars.

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According to the China Railway Construction News, at the 9th General Assembly of the International Organization for Standardization ISO/TC269/SC3 held in Stockholm, Sweden, experts from 13 countries including France, Germany, and Japan and UIC observers voted unanimously and approved the project proposal of the special working group "Guidelines for Operating Rules for the Application of Autonomous Driving Mode" led by Feng Mei, a technical expert from China Railway Construction Fourth Engineering Bureau, and decided to establish a working group. Feng Mei will serve as the convener of the working group and the leader of the project team, leading the standard compilation work.

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A major power outage hit Kinmen, Taiwan, at noon on Tuesday (July 9, 2024), affecting 40,000 households. After two hours of emergency treatment, Taiwan Power Company restored power completely.

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According to AFP, on July 8, 2024 local time, BYD and the Turkish government signed an agreement to invest and build a factory in Turkey, and Turkish President Erdogan attended the signing ceremony.

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U.S. Secretary of State Antony Blinken recently sent a message to wish the Tibetan spiritual leader the Dalai Lama a happy birthday. In response, the Chinese Foreign Ministry urged the U.S. to recognize the sensitivity of Tibet-related issues and respect China's core interests.

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Hungarian Prime Minister Viktor Orban visited China on Monday (July 8, 2024) and will meet with Chinese President Xi Jinping.

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At 14:43 on July 7, 2024, the Shanghai Meteorological Bureau officially announced that data from the National Meteorological Station showed that the temperature in Xujiahui, Shanghai, once reached 39.6℃ today, challenging the 40℃ mark! The temperature at many automatic weather stations has exceeded 40℃.

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A tornado occurred in Dongming County, Heze City, Shandong Province, China, killing one person and injuring 79 people.

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China's beef prices have fallen to a five-year low in recent years as domestic production has increased and imports have also risen.

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