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BEIJING, Jan. 21 (Xinhua) -- The State Grid Corporation of China (SGCC), the country's largest electric power transmission and distribution company, said Saturday that the power supply will be sufficient during the upcoming Spring Festival holiday.Thermal power plants currently have 89.34 million tonnes of coal, which is enough for 20 days of power generation.Meanwhile, the country's electricity consumption is expected to fall by 40 percent during the holiday which lasts from Jan. 22 to Jan. 28, as many factories suspend production during the period, SGCC said.The company said it will keep a close eye on the cold weather, strengthen inspections and maintenance of high-voltage grids, and take precautions to minimize the impact of snow and freezing rain on power transmission.

WASHINGTON, Nov. 7 (Xinhua) -- U.S. researchers have demonstrated for the first time that the brain is a key player in regulating glucose (sugar) metabolism in humans.The findings, published Monday in the online edition of the Journal of Clinical Investigation, suggest that drugs targeting the brain and central nervous system could be a novel approach to treating diabetes."The brain is the body's only organ that needs a constant supply of glucose to survive, so it makes sense that it would have some say over how much glucose is produced," said study leader Meredith Hawkins, professor of medicine and director of the Global Diabetes Initiative at Yeshiva University, in a statement. "This role for the brain was demonstrated in earlier studies in rodents, but there was considerable controversy over whether the results could be applied to humans. We hope this study helps to settle the matter."In an earlier study in rodents, researchers showed that activation of potassium channels in the brain's hypothalamus sends signals to the liver that dampen its production of glucose. Those findings, published in Nature in 2005, challenged the conventional thinking that blood sugar production by the liver (the body's glucose factory) is regulated only by the pancreas (which makes insulin to metabolize glucose). But carefully performed studies on dogs, conducted at Vanderbilt University, failed to replicate the results, suggesting the Einstein findings in rodents might not be relevant to higher mammals, including humans.The current study, involving people, was aimed at resolving this controversy. Ten nondiabetic subjects were given oral diazoxide, a drug that activates potassium channels in the hypothalamus. (The drug is not used to treat diabetes.) Hormone secretion by the pancreas was controlled to ensure that any change in sugar production would only have occurred through the drug's effect on the brain. After the researchers administered the drug, blood tests revealed that patients' livers were producing significantly less glucose than before.Hawkins and her team then repeated this in rats, again giving diazoxide orally, achieving similar results. They confirmed that sufficient amounts of diazoxide crossed the blood-brain barrier to affect potassium channels in the hypothalamus. Additional experiments confirmed that diazoxide was working through the brain. Specifically, the researchers were able to completely block the effects of diazoxide by infusing a specific potassium channel blocker directly into the brain."This study confirms that the brain plays a significant role in regulating glucose production by the liver," said lead author Preeti Kishore, assistant professor of medicine. "We are now investigating whether this 'brain-to-liver' pathway is impaired in people with diabetes. If so, we may be able to restore normal glucose regulation by targeting potassium channels in the brain."

BEIJING, Nov. 6 (Xinhua) -- Employment quality in China is relatively low, which is a major reason affecting the quality of economic growth, says a latest report on the labor market.The report, released Saturday by the Labor Market Research Center of the Beijing Normal University focusing on the quality of employment in China, says Beijing, Shanghai and Tianjin were the top three cities in terms of employment quality, adding the overall employment quality in China is still low."Poor employment quality in China is a major reason for the poor quality of economic growth," said Lai Desheng, a professor with the Beijing Normal University.

SANTO DOMINGO, Jan. 11 (Xinhua) -- The Dominican Republic and Haiti Wednesday launched a joint plan aimed at eliminating cholera, which has claimed more than 7,000 lives in both countries since October 2010.The efforts were backed by the World Health Organization (WHO), the Pan American Health Organization (PAHO), and the United Nations International Children's Emergency Fund (UNICEF), Dominican officials said.The plan, "Call to action: the Hispaniola without cholera", aims to improve sanitary and living conditions of the Haiti people who face herculean reconstruction work following a devastating earthquake in the country on Jan. 12, 2010, that killed 220,000 people and displaced over 1 million.Cases of cholera, an infection that causes severe diarrhea that can lead to dehydration and death, first appeared in Haiti in October, 2010.The epidemic has so far killed more than 7,000 people and left nearly 500,000 more sick in Haiti.It also killed 135 people in the Dominican Republic as of September 2011, according to Dominican health authorities.Some 500 million U.S. dollars will be invested in projects related to sanitization and the construction of infrastructure that has to do with waterworks in both nations in the long term.

BEIJING, Oct. 13 (Xinhuanet) -- Himalayas may be one of the most potential regions to provide solar power in future, according to a new research by Japanese scientists quoted by media reports Thursday. Deserts are usually regarded as the hotbeds for capturing solar power, but some of the loftiest and coldest regions can receive more energy from the sun than some deserts, said Takashi Oozeki and Yutaka Genchi, authors of the research published in Environmental Science and Technology. To set up solar cells on Himalayas would be challenging. Transmission losses and snowfall should be taken into consideration, said the researchers with the National Institute of Industrial Science and Technology in Japan. Still, the Himalayan region is attractive, because there are large energy demands in the countries nearby."It is near regions with large future energy demands such as China and India," they said.Other cold regions that can receive solar power include Andes of South America and Antarctica, according to the study.