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Can BCG boosters check TB’s spread? ICMR to find out – Times of India

NEW DELHI: In a move that can be crucial in tuberculosis elimination, ICMR's apex TB research institute plans to start a BCG booster trial among kids and adolescents of 6-18 years to check whether re-vaccination can help prevent tuberculosis spread in household contacts of TB patients. The health ministry is likely to discuss funding proposal for the study on Tuesday. "This is to assess whether re-vaccination with BCG vaccine can protect someone from developing TB when they are exposed to the disease. The study will be conducted in multiple sites in around eight centres with around 9,000 participants," National Institute of Research in Tuberculosis director Dr Padmapriyadarsini C said. The particpants of the trial will be monitored for around two years, she added. While the scientific a...
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The Balance Between Vaping’s Harm and Potential Use as a Tool to Quit Smoking – The Wire Science

An electronic cigarette device made by JUUL is shown in this picture illustration taken September 14, 2018. Photo: Reuters/Mike Blake/Illustration The US Food and Drug Administration announced that all Juul products must be removed from US markets – but the order was temporarily blocked by a court. US and British assessments have concluded that while vaping is likely to be substantially less harmful than cigarettes, it is not risk free. The FDA expresses the view that e-cigarettes can be a beneficial tool for smokers who significantly reduce their cigarette use or stop smoking by switching to e-cigarettes. On June 23, 2022, the US Food and Drug Administration announced that all Juul products must be removed from US markets. This decision essentially broadened ...
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How Far Have We Come, and What Next? – The Wire Science

A side-on view of the CMS detector at the Large Hadron Collider. Photo: CERN On July 4, 2012, physicists working with the Large Hadron Collider experiment in Europe announced they had found the Higgs boson, 48 years after it was predicted. The Higgs boson is an excitation in the Higgs field – a field of energy that pervades the universe and which gives subatomic elementary particles their mass. Its discovery was a great achievement, but there still many things we don’t know about the Higgs boson, including an important mystery related to its own mass. Physicists around the world are also considering whether they need a bigger particle collider to unravel this and other mysteries, in which the Higgs boson may also have a hand. Ten years ago on this ...
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In the High Himalaya, Black Carbon Wreaks Quiet Havoc – The Wire Science

A view of Namche. Photo: Raihana Maqbool Namche, Nepal: Pahadaharu parivartana humdaichan. Thus exclaim the people living at the foothills of the great Himalayan mountains of Nepal, making their living through tourism – often the sole option – while suffering through more and more pollution, warming and environmental degradation. “The mountain is changing.” These people understand and express the changes in different terms but they have reached the same conclusion: the short-lived climate pollutant called black carbon, among others, is wreaking havoc on the region, especially on its glaciers and its weather. Chimmi Tenzing has lived all his life in Jorsalle, a small village in the Himalayan region of Nepal. Majestic peaks overlook the settlement and a river ...
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Astronaut Bone Density: Study reveals effects of space travel on human bones | – Times of India

WASHINGTON: A study of bone loss in 17 astronauts who flew aboard the International Space Station is providing a fuller understanding of the effects of space travel on the human body and steps that can mitigate it, crucial knowledge ahead of potential ambitious future missions. The research amassed new data on bone loss in astronauts caused by the microgravity conditions of space and the degree to which bone mineral density can be regained on Earth. It involved 14 male and three female astronauts, average age 47, whose missions ranged from four to seven months in space, with an average of about 5-1/2 months. A year after returning to Earth, the astronauts on average exhibited 2.1% reduced bone mineral density at the tibia - one of the bones of the lower leg - and 1.3% reduced bone stren...
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British GP preview: Pole-sitter Sainz on the hunt for first win, Hamilton unhappy with crowd booing Verstappen

It took 151 attempts for Carlos Sainz to earn his first Formula One pole. Now he’ll chase that elusive first win. Sainz set the fastest time late in the third qualifying session to edge Verstappen by just .072 seconds. It was the seventh pole in 10 races for Ferrari this season, though Sainz teammate Charles Leclerc had earned the first six poles prior to Sainz’s surprise run. “First pole position, it’s always special, and especially to do it in Silverstone in the wet,” Sainz said. “Kept it cool through the session and toward the end I decided to push.” Sainz narrowly missed out on what would have been his first career win two weeks ago at the Canadian Grand Prix, where he finished just behind Verstappen. The Spanish driver has been on the podium 11 times in his career but never on the ...
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Technofixes Are the Elite’s Attempt To Sidestep Blame for the Climate Crisis – The Wire Science

An art exhibit by sculptor Isaac Cordal in Nantes, France, in 2013 shows businessmen with floats going about business after global sea levels have risen due to climate change. Photo: objectifnantes/Flickr, CC BY 2.0 The misleadingly presented climate pledges coming out of Davos are but one act in a much larger, intricately choreographed ballet of baloney about carbon removal. As the IPCC has noted, to limit global warming to around 1.5º C, greenhouse gas emissions would have to peak “before 2025 at the latest, and be reduced by 43% by 2030.” Carbon removal tech will play a part, but a decidedly small one. We’re logically really left with one primary path: cut the demand for fossil fuels. As entrepreneur Saul Griffith put it: “Imagining we can build machines th...