US tap water is generally contaminated with toxic PFAS, and research warns of health risks
The new research report issued by the United States Geological Survey shows that at least 45% of tap water in the United States contains toxic perfluorinated and polyfluoroalkyl substances (PFAS). These substances are not easily degraded in the environment and human body, and are also known as "permanent chemicals"...
From the Steep Waterway to the Golden Waterway - Record the Scientific Research Achievements of the Three Gorges Ship Lock Cascade Navigation Series
The Three Gorges Water Control Project. Lin Hai PhotographyIn July, the Three Gorges Dam is often shrouded in clouds...
Start shield tunneling for the longest underwater road tunnel
On June 30th, workers monitored and maintained the operation of the shield tunneling machine in the service tunnel.The reporter learned from China Railway Construction Corporation Co...
Human extraction of too much groundwater leads to polar drift
Science and Technology Daily, Beijing, June 19 (Reporter Liu Xia) Scientists from the University of Texas at Austin in the United States simulated how changes in the distribution of water around the earth affect the drift of the poles. The results show that the total amount of groundwater pumped by human beings from 1993 to 2010 was about 210 billion tons, and the change of groundwater distribution caused the earth's poles to drift by 80 cm...
Market value evaporates by 200 billion! SF Express really can't handle it anymore? The man behind him emerged from the water
Wen|Cheese Pie InterpreterEdit|Cheese Pie InterpreterWhen it comes to the domestic express delivery industry, the first thing that comes to mind may be the term "three connections and one delivery", but the so-called "three connections and one delivery" is actually just a giant in the e-commerce express delivery industry.If you look at the entire express delivery industry, SF Express, known as the "Maotai in the express delivery industry," is undoubtedly the industry leader and the true industry leader...
Autonomous driving is not equal to AI, "Da Mo analysts pour cold water on Tesla investors
[Global Network Technology Comprehensive Report] On June 2, according to foreign media reports, Adam Jonas, an analyst at Morgan Stanley, said in his research report on Thursday, "With such a vast potential market, Tesla can consider many things. But we believe that it is an automobile company in the final analysis...