Chinese officials have vowed to ramp up proportion of electric vehicles (EVs) in official car fleets, as part of the government's efforts to promote green car sales and EV sector growth. 

The National Government Offices Administration (NGOA) said in an online post last Saturday that it held a meeting on promoting EVs and management of official car fleets from September 26 to 27 in the Xiong'an New Area in North China's Hebei Province. Local officials from 31 provincial-level regions attended the meeting. 

The meeting called on all levels of departments in charge of official car fleets to fully implement various policies on promoting EVs, strengthen cooperation with industry regulators, improve supplementary systems, and increase the use of NEVs, according to the post.  

The meeting noted that official fleets are important assets crucial for ensuring efficiency of Party and government departments and public institutions. Strengthening management of official fleets and promoting government departments to use more EVs is important work to consolidate the results of institutional reform.

In 2015, China released a guideline on reforming the country's official fleet system at all central government departments. To further strengthen the management of official fleets, the NGOA released interim regulations on management of official car fleets on September 12, 2023.

The regulations placed a priority on facilitating the use of EVs as a proportion of government car fleets. Central institutions are required to make annual plans on renewal of official vehicles, including the number NEVs, and ensure the proportion of NEVs meets requirement. 

As the leading NEV producer in the world, China has issued over 70 administrative measures to encourage the nascent industry to grow during recent years, which include carrying out innovative projects and forming manufacturing centers for batteries, according to Xinhua.

According to data from the China Association of Automobile Manufacturers, China's new-energy vehicle production and consumption rose by 36.9 percent and 39.2 percent year-on-year, respectively, to 5.43 million and 5.37 million in the first eight months of 2023.

Chinese researchers have developed a special technology to tailor the edges of textured crystalline silicon (c-Si) solar cells, based on which the solar cells can be bent and folded like thin paper, allowing for broader application and use.

The breakthrough was achieved by Chinese researchers at the Shanghai Institute of Microsystem and Information Technology (SIMIT) under the Chinese Academy of Sciences. The results have been featured on the cover of the May 24 edition of Nature journal.

The c-Si solar cells fabricated with the new technology can be 60 millimeters thin with a bending radius of about 8 millimeters.
According to the Technology Daily, c-Si solar cells are type of solar cell seeing fast development at the moment. They have advantages including long service life and high conversion efficiency, making them a leading product in the photovoltaic market.

Such c-Si solar cells have a market share of more than 95 percent, according to Di Zengfeng, deputy head of the SIMIT, who is one of the authors of the research paper.

Although c-Si solar cells were developed nearly 70 years ago, their use is still limited, the paper explained. Currently, the c-Si solar cells are mainly used in distributed photovoltaic power stations and ground photovoltaic power stations. Hopefully, such solar cells can be used in construction, backpacks, tents, automobiles, sailing boats and even planes.

They can also be used to generate clean energy for houses and a variety of portable electronic and communication devices as well as for transportation, according to the researchers.
Liu Zhengxin, a research fellow with the SIMIT, and another author of the paper, said that the study verified the feasibility of mass production, providing a technical route for the development of lightweight and flexible c-Si solar cells.

At the same time, the large-area flexible photovoltaic modules developed by the research team have been successfully applied in the fields of near-space vehicles, building photovoltaic integration and vehicle-mounted photovoltaic systems, Liu said.

The recently revealed primary plan for China's crewed moon landing before 2030 where China in which attempt to use two launch vehicles and carry out two rendezvous and docking missions in lunar orbit, has drawn attention worldwide, and the China Space News, an authority news service for state-owned aerospace contractors, further explained that such plan would be highly effective in using China's most advanced space technology and more reliable and economic given it does not rely on the development of a special super heavy-lift rocket to achieve the goal of sending taikonauts to moon.

When the US and Soviet Union tried to execute a manned moon landing, the rendezvous and docking technology had yet to mature and it was also difficult to launch two or more launchers one after another within a short time period. So to develop a super heavy-lift rocket to send moon lander and crewed spacecraft all in one go was the easier and safer path to achieve the goal.

But things are different now. The current reality is that to develop a new-generation heavy-lift carrier rocket would take longer time and cost much more, let alone the difficulty. For example, the development for the US Space Launch System (SLS) took more than 10 years and counting, cost reached somewhere around $50 billion and the SLS is still using interim upper stage, the report pointed out.

Since China has mastered rather matured reliable space rendezvous and docking technology, a two-launcher path would be more reasonable and also feasible.

Zhang Hailian, deputy chief engineer with the China Manned Space Agency (CMSA), disclosed earlier this month that China plans to realize a manned moon landing before 2030, and the country will attempt to build a moon-based scientific research station, in a bid to carry out long-term, systematic lunar research and verify relevant technology.

China will attempt to use two launch vehicles to send a moon surface lander and manned spacecraft into lunar orbit before they carry out rendezvous and docking with each other. Following this maneuver, the taikonauts onboard the manned spacecraft will enter the lander, Zhang said.

Taikonauts will carry out scientific exploration and sample collecting after they descend to the moon's surface using the lander. After completing all preset missions, they will engage the lander to ascend and dock with the manned spacecraft waiting in the lunar orbit, he said.

Then taikonauts will take the lunar samples and ascend from moon surface with the lander that will dock with the manned spacecraft again in lunar orbit before they return to Earth in the manned spacecraft.

A Beijing-based space watcher, who requested not to be named, told the Global Times on Tuesday that China's path of using two launchers for moon landing is no doubt most cost effective, and it fully takes advantage of China's technology strengths in terms of increasingly matured space rendezvous and docking ability which is repeatedly verified and honed in China Space Station missions over the recent years.

Leading Chinese rocket scientist Long Lehao has shown his own vision of China's moon landing in 2021, which also included two launch vehicles carrying a lunar lander and a next-generation manned spaceship for the mission, and the two parts of the spacecraft will rendezvous and dock in near-lunar orbit, before executing the landing process.

But different from Long's vision where he referred to the two launchers in question as Long March-5 DY - variant of the 57-meter-long Long March-5, China's strongest launcher in service, China is now developing the Long March-10 carrier rocket for the moon landing mission.

The new launcher will be a three-stage rocket with two boosters, weighing 2,187 tons at launch, increasing payload launching capability from Long March-5's 8.2 ton to the Lunar transfer orbit to around 27 ton, according to the China Space News, which is equivalent to the US SLS.

Considering that the development cost of the Long March 10 rocket is much lower than that of several heavy rockets in the United States, there is no doubt that China's manned lunar landing program will be more cost-effective and sustainability, the report noted.

A gang of grave robbers in north China's Inner Mongolia Autonomous Region have been sentenced to prison terms ranging from 10 months to 20 months after three people died of carbon monoxide poisoning, a local court ruled on August 11.

On the eve of the Dragon Boat Festival in 2022, Chen and five others gathered together and brought tools such as shovels and pickaxes to illegally excavate ancient tombs on a mountainside in Aohan Banner in Chifeng in north China's Inner Mongolia Autonomous Region. They stopped two days later due to rain.

Chen and others were unwilling to give up. Several days later, they gathered again adding several members to their group. However, they harbored ulterior motives and were unwilling to pay for the tools needed, which led to an internal conflict, resulting in the disbandment, according to an official from the People's Court of Aohan Banner.

More than a month later, Chen still couldn't accept what had happened and organized a group of eight people to dig up the cave at night. They bought gasoline pumping equipment to drain the accumulated water from the cave to keep digging.

However, the gasoline pumping equipment generated a large amount of carbon monoxide gas inside the cave, resulting in the poisoning and death of three people. According to the local court official, the incident of robbing grave was then exposed, and the other five people voluntarily turned themselves over to the police.

According to the local court, the defendants have violated the national cultural relics management system by secretly excavating ancient tombs with historical and scientific value. Their actions constituted the crime of grave robbery and are considered joint offenders.

The six defendants were sentenced to imprisonment ranging from 10 months to 20 months, with fines also being imposed on each member of the group.

The Aohan Banner has a rich historical and cultural heritage. According to the local court, over 4,000 ancient cultural sites and tombs from different periods have been discovered within the Aohan Banner, making it the leader in China. In recent years, the local court has been handling criminal acts related to the protection of cultural relics and cultural heritage in accordance with the law, as stated by local court officials.

Taiwan billionaire and Foxconn founder Terry Gou Tai-ming announced on Monday that he will run in the 2024 elections for Taiwan's regional leader, making next year's vote a complicated four-way race. Analysts said that this is likely to further divide the island's opposition camp in favor of secessionist ruling party candidate Lai Ching-te. 

According to the latest polls conducted in mid August by Taiwan media outlets and institutions, without Gou's participation, ruling Democratic Progressive Party (DPP) candidate Lai, who is currently the deputy leader of the island, is now the front-runner with 37 to 42 percent, while Taiwan People's Party candidate Ko Wen-je ranks second with 25 to 28 percent, and Hou Yu-ih of the major opposition party Chinese Kuomintang (KMT) getting 20-22 percent. 

According to Taiwan polls that include Gou,  with Gou's participation, Lai's front-runner position is virtually unaffected while the opposition candidates are impacted significantly, as Ko gets only about 16-17 percent, KMT's Hou gets 15-16 percent, and Gou has only 12 percent. 

Analysts said this doesn't mean the DPP is popular, as most polls show that Taiwan residents who want to end the DPP rule are in the majority, as the combined support of opposition candidates is more than Lai's, but the problem is that the opposition camp is becoming divided due to the power struggle between the two opposition parties, and now the independent candidate Gou is dividing the field further. 

The three opposition candidates are yet to reach a consensus on forming an alliance to run in the elections. Even if they do reach agreement on running together, which is very unlikely as they all refuse to give in and serve as deputy candidate, Lai is very likely to win, and unfortunately, the will of the majority on the island to end the DPP rule might not be realized, Li Fei, a professor at the Taiwan Research Center at Xiamen University, told the Global Times on Monday.

"If Lai gets elected, cross-Taiwan Straits relations will be in danger, so the mainland is preparing for any possible scenario, including the worst one," Li noted. "But there are still a few months to go, and it would still be too early to say who can win eventually." 

In an apparent response to Gou's announcement to run, the KMT said in a post on its Facebook account Monday, after his announcement without mentioning him, that "if we share similar values, then we can work together," but vowed that mainstream public opinion will not accept any act that "hurts comrades and favors adversaries." 

Gou has been labeled by Taiwan media as a pro-mainland figure who has deep business relations in the mainland, and in order to preserve and resume cross-Straits cooperation that significantly benefit Taiwan, he also supports peace and opposes secessionism. However, experts said that his decision driven by political ambition is in fact helping the DPP authorities.

However, many Chinese mainland netizens and pro-reunification Taiwan residents have an interesting theory: If the DPP's Lai wins next year, this could speed up the reunification process, as the mainland will find it easy to completely abandon "the illusion of peaceful reunification" and make tough decisions to solve the Taiwan question immediately. Therefore, these people welcome Gou's act to run for the election, as they believe this will consolidate Lai's advantage.

Zheng Bo-yu, manager of the Vstartup Station of Taiwan, a company serving Taiwan youth seeking to study, work and launch startups on the mainland, said, "Many friends of mine in Taiwan who support cross-Straits cooperation and exchanges made a joke about the current election: Why don't we just vote for Lai and let the DPP win, so that the mainland will have an easier time making the decision to solve the Taiwan question once and for all, so that we don't need to be worried about the uncertain cross-Straits tension and US intervention anymore."

Li said the Chinese mainland has enough measures available to deter and counter secessionists and foreign interference forces, but the mainland is still making great efforts and showing great patience to seek peaceful reunification. 

"But it's possible that, if Lai eventually wins, deeper and more reckless collusion between the DPP and the US will wipe out the possibility of peaceful reunification, and the mainland will be forced to take action," Li warned.

When Columbus discovered America, European culture hadn’t yet grasped the concept of discovery. Various languages had verbs that could be translated as discover, but only in the sense of discovering things like a worm under a rock. Scholars operated within a worldview that all knowledge had been articulated by the ancients, such as Ptolemy, the astronomer who compiled the mathematical details of the Earth-centered universe. As it happened, Ptolemy was also the greatest of ancient geographers. So when Columbus showed that Ptolemy’s grasp on geography was flawed, it opened the way for Copernicus to challenge Ptolemy on his picture of the cosmos as well. Deep thinkers who were paying attention then realized that nature possessed secrets for humankind to “discover.”
“The existence of the idea of discovery is a necessary precondition for science,” writes historian David Wootton. “The discovery of America in 1492 created a new enterprise that intellectuals could engage in: the discovery of new knowledge.”

Appreciating the concept of discovery was not enough to instigate the invention of science. The arrival of the printing press in the mid-15th century was also especially essential. It standardized and magnified the ability of scholars to disseminate knowledge, enabling the growth of communities, cooperation and competition. Late medieval artists’ development of geometrical principles underlying perspective in paintings also provided important mathematical insights. Other key concepts (like discovery) required labeling and clarifying, among them the idea of “evidence.”

And modern science’s birth required a trigger, a good candidate being the supernova observed by Tycho Brahe in 1572. Suddenly, the heavens became changeable, contradicting the Aristotelian dogma of eternal changeless perfection in the sky. Tycho’s exploding star did not cause the scientific revolution, Wootton avers, but it did announce the revolution’s beginning.

In The Invention of Science, Wootton incorporates these insights into an idiosyncratic but deeply thoughtful account of the rise of science, disagreeing frequently with mainstream science historians and philosophers. He especially scorns the relativists who contend that different scientific views are all mere social constructions such that no one is better than any other. Wootton agrees that approaches to science may be socially influenced in their construction, but nevertheless the real world constrains the success of any given approach.

Wootton’s book offers a fresh approach to the history of science with details not usually encountered in the standard accounts. It might not be the last or even best word in understanding modern science’s origins or practice, but it certainly has identified aspects that, if ignored, would leave an inadequate picture, lacking important perspective.

As the weather warms, watch for falling rocks. While monitoring a cracked cliff in Yosemite National Park, researchers watched the fissure widen as temperatures rose. The risk of rockfalls could increase as climate change cranks the thermostat, one scientist predicts.

For three and a half years, geologists Brian Collins of the U.S. Geological Survey in Menlo Park, Calif., and Greg Stock of the National Park Service in Yosemite monitored a 19-meter-long crack in one of the park’s cliffs. The crack had a maximum width of about 12 centimeters. A measuring device anchored to both sides of the crack recorded changes in its size. The gap grew and shrank by as much as a centimeter daily as temperature changes caused the rock to expand and contract, the researchers report online March 28 in Nature Geoscience. Some effects lingered, however: The gap widened over the course of several summers and the constant size fluctuations further weakened the rock, the researchers say.

Around 25,000 tons of rocks and debris slipped down Yosemite’s slopes in 2015 — enough to fill more than three Olympic-sized swimming pools. About 15 percent of rockfalls from Yosemite’s granite cliffs occur during summer and at the hottest times of day. The rockfall risk could grow along with the cracks as the climate warms, geoscientist Valentin Gischig of ETH Zurich in Switzerland proposes in a perspective piece on the new finding.

Multiple sclerosis clue significant — A possible link between environment and multiple sclerosis (MS) could be a valuable tool in searching for the cause and cure of the disease…. Cases of MS seem to appear in clusters, and there is apparently some as yet unknown environmental factor that is distributed in the same way, reported Dr. John F. Kurtzke.… The highest frequency of MS is found in northern United States, southern Canada and northern Europe, where there are 30 to 60 cases per 100,000 population. — Science News, April 16, 1966

Update
Researchers still aren’t sure what causes MS, a debilitating disease in which the body’s immune system attacks the insulation around nerve cell fibers. But research suggests that people who grow up farther from the equator, with reduced sun exposure, may have increased disease risk. The human body produces vitamin D in response to sunlight, and studies show that lower levels of vitamin D lead to higher MS risk (SN Online: 9/10/15). But other factors, including genetics and infections, may also play a role in disease development. Today, an estimated 90 MS cases occur for every 100,000 people in the United States.

The pale arch of light from the plane of our galaxy can be a humbling sight on a clear, dark night. But it’s just a sliver of all the treasures lurking in the Milky Way. Dense clouds of interstellar dust block visible light from remote regions of the galaxy but allow longer wavelengths to pass through. In February, astronomers completed a new map of our galaxy as seen in submillimeter light, which is shorter than radio waves but longer than infrared waves.

Submillimeter light can penetrate dust clouds, revealing details at the center of the galaxy and in stellar nurseries not visible at other wavelengths. The map was produced by ATLASGAL, a project using the APEX telescope in northern Chile to map part of the Milky Way. The project charted one-third of the band of galactic light that encircles our solar system; the images below show a narrow slice toward the constellation Sagittarius.
Combined with images from the Spitzer and Planck satellites, the ATLASGAL map (top row) creates a detailed atlas of some of the cold structures in our galaxy. Dust clouds in places like the Trifid and Lagoon nebulas (circled, left), both a few thousand light-years away, glow faintly, as do filaments of detritus in the center of the galaxy (circled, right), 28,000 light-years from Earth. At near-infrared wave-lengths (center row), these regions nearly vanish behind obscuring curtains of dust. The galactic center remains hidden in visible light (bottom row) as well, though hot stars in Trifid and Lagoon radiate pools of hydrogen gas, making them glow.

A sugar that freshens air in rooms may also clean cholesterol out of hardened arteries.

The sugar, cyclodextrin, removed cholesterol that had built up in the arteries of mice fed a high-fat diet, researchers report April 6 in Science Translational Medicine. The sugar enhances a natural cholesterol-removal process and persuades immune cells to soothe inflammation instead of provoking it, say immunologist Eicke Latz and colleagues.

Cyclodextrin, more formally known as 2-hydroxypropyl-beta-cyclodextrin, is the active ingredient in the air freshener Febreze. It is also used in a wide variety of drugs; it helps make hormones, antifungal chemicals, steroids and other compounds soluble. If the new results hold up in human studies, the sugar may also one day be used to liquefy cholesterol that clogs arteries.
Other researchers say the approach is promising, but must be tested in clinical trials. The sweet molecule is generally considered safe, but injecting it may raise the risk of liver damage or hearing loss, says Elena Aikawa, a vascular biologist at Brigham and Women’s Hospital in Boston.

Mice taking cyclodextrin in the study did not exhibit side effects from the treatment, but previous work has indicated that the sugar may damage hearing in mice and cats. The molecule shunts cholesterol through the liver, so large cholesterol influxes might cause fat to build up in the liver, impairing its function. “Overall, cyclodextrin seems worth exploring as a therapeutic, although caution should be taken,” Aikawa says.

Cyclodextrin works by flipping a master switch, a gene called LXR, Latz and colleagues found. LXR’s protein turns on other genes involved in processing cholesterol and ushering it out of the body. The sugar also activated the LXR genes in human arteries examined in the lab and turned on inflammation-calming processes, Latz’s team discovered.

Latz, of the University Hospital Bonn in Germany, credits Nevada businesswoman Chris Hempel with the idea to use cyclodextrin to treat atherosclerosis. In people with the condition, cholesterol, calcium, immune cells and other substances form plaques inside arteries, hardening them. Plaques block blood flow and can break away and cause heart attacks and strokes (SN: 2/20/16, p. 32).

Hempel has twin daughters with a rare genetic disease known as Niemann-Pick Type C, in which cholesterol crystals clog organs, especially the brain. In 2009, the girls got special permission from the Food and Drug Administration for their doctor to give them infusions of cyclodextrin to dissolve the cholesterol crystals.
Hempel later read a paper by Latz and colleagues in which the researchers described how cholesterol crystals irritate macrophages and provoke them to cause inflammation and heart disease. Macrophages normally patrol the body and help kill invading bacteria, viruses and other pathogens. The immune cells also gobble up cholesterol and deliver it to the liver where it can be made into bile and escorted out of the body in feces.

Hempel e-mailed Latz and suggested that cyclodextrin might melt the cholesterol crystals in arteries. Latz and his colleagues tested the idea by feeding mice genetically prone to atherosclerosis a high-fat diet and giving the animals regular injections of cyclodextrin under the skin. The sugar kept cholesterol plaques from building up in the rodents’ arteries. The scientists also found that cyclodextrin reduced already established plaques in mice by about 45 percent, even though the animals were still eating a high-fat diet.

Cyclodextrin could be used in combination with other drugs, such as statins, says Eran Elinav, an immunologist at the Weizmann Institute of Science in Rehovot, Israel. Statins and other drugs inhibit cholesterol production. “Potentially, combining cholesterol lowering with dissolution of preformed cholesterol in plaques could be additive,” Elinav says, “but this option needs to be explored in clinical trials.”

Although cyclodextrin is already approved by the FDA for use in people, it may be years before it’s known whether injecting the sugar will soften people’s hardened arteries. The sugar is not patentable, so no pharmaceutical companies have come forward to sponsor expensive clinical trials needed to get approval for this specific use, Latz says.