Tag: Research

Restoration of the Ozone Layer Is Back on Track, Scientists Say

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Under the protocol, assessments like the one issued Monday are required at least every four years. In addition to NOAA scientists, contributors included researchers with NASA, the World Meteorological Organization, the United Nations Environment Program and the European Commission. The new assessment also considered, for the first time, the effects on ozone of a potential type of climate intervention, or geoengineering. The method,known as stratospheric aerosol injection, is meant to cool the atmosphere by using airplanes or other means to distribute sulfur aerosols to reflect some of the sun’s rays…

How Bad Is China’s Covid Outbreak? It’s a Scientific Guessing Game.

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As Covid barrels through China, scientists around the world are searching for clues about an outbreak with sprawling consequences — for the health of hundreds of millions of Chinese people, the global economy and the future of the pandemic. But in the absence of credible information from the Chinese government, it is a big scientific guessing game to determine the size and severity of the surge in the world’s most populous country. In Hong Kong, one team of researchers pored over passenger data from five Beijing subway lines to determine…

Why Some Scientists Choose China’s Space Station for Research

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Seeking to burnish its prestige in the world, China is portraying its Tiangong orbital outpost as a space station that is available for scientists everywhere, not just for those who happen to live in other countries with established space programs. “We stand ready to conduct more international cooperation and exchanges with countries and regions committed to the peaceful use of outer space,” Wang Wenbin, a spokesman for the Chinese Foreign Ministry, said in April. For the International Space Station — a partnership between NASA, Russia, Canada, the European Space Agency…

China to Launch 3 Astronauts to New Space Station: How to Watch

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On Tuesday night in China, a rocket as tall as a 20-story building will carry three astronauts toward a rendezvous with the country’s just-completed space station. The mission, which is called Shenzhou 15, will set a significant milestone for China’s crewed space program. Here’s what you need to know about the flight and why it is significant. When is the launch and how can I watch it? The mission will lift off at 11:08 p.m. local time on Tuesday, or 10:08 a.m. Eastern time in the United States. CGTN, China’s…

G.O.P. Senator’s Report on Covid Origins Suggests Lab Leak, but Offers Little New Evidence

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The top Republican on the Senate health committee said in a report on Thursday that the coronavirus pandemic was most likely caused by a laboratory incident in China. The report offered little new evidence, however, and was disputed by many scientists, including those whose research suggests that the outbreak originated instead at a live animal market. The report, released by Senator Richard M. Burr, Republican of North Carolina, grew out of a joint inquiry with the committee’s Democratic chairwoman that proponents of the effort hoped would add a measure of…

Fossilized Fish Reveal Earliest Known Prequel of ‘Jaws’

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Mention the ocean, and it’s hard not to think of jaws. The deep waters contain many tooth-lined mouths: the bear-trap maws of sharks and dolphins, the slack lips of shoaling and reef fish, the baleen-filter gape of enormous whales. Jawed fish eventually crawled out of the seas millions of years ago and gave rise to the jawboning vertebrates we are today. But when did such an evolutionary innovation arise? A pair of fossil beds discovered in Southern China suggest that the answer may lie tens of millions of years deeper…

Biden Signs Industrial Policy Bill Aimed at Bolstering Competition With China

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WASHINGTON — President Biden on Tuesday signed into law a sprawling $280 billion bill aimed at bolstering American chip manufacturing to address global supply chain issues and counter the rising influence of China, part of a renewed effort by the White House to galvanize its base around a recent slate of legislative victories. Standing before business leaders and lawmakers in the Rose Garden, Mr. Biden said the bill was proof that bipartisanship in Washington could produce legislation that would build up a technology sector, lure semiconductor manufacturing back to the…

Scientists Find No Benefit to Time-Restricted Eating

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The weight-loss idea is quite appealing: Limit your eating to a period of six to eight hours each day, during which you can have whatever you want. Studies in mice seemed to support so-called time-restricted eating, a form of the popular intermittent fasting diet. Small studies of people with obesity suggested it might help shed pounds. But now, a rigorous one-year study in which people followed a low-calorie diet between the hours of 8 a.m. and 4 p.m. or consumed the same number of calories anytime during the day has…

Sinovac Booster Gives Elderly Stronger Protection Against Omicron, Study Finds

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Two doses of China’s Sinovac vaccine offered older people only a moderately high level of protection against severe disease and death from Covid-19, but a third dose significantly bolstered their defenses, according to a new study by scientists in Hong Kong. The study, based on patients infected during the current devastating Omicron wave in Hong Kong, serves as a cautionary note for mainland China, where Sinovac is a pillar of the country’s vaccination program. Many older people there have yet to receive booster shots. For people 60 and older, two…

Justice Dept. Is Set to Modify Trump-Era Program Aimed at Fighting Chinese Threats

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Such losses often fuel the Chinese propaganda machine and hurt U.S. interests. “Every case that goes south, especially one that concerns a minority community, discredits the Justice Department in the minds of the American people,” said David H. Laufman, an official in the department’s national security division during the Obama administration. In announcing changes to the China Initiative, Mr. Olsen is expected to say that the Justice Department will treat some grant fraud cases as civil matters going forward, reserving criminal prosecution for the most egregious instances of deception, according…