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5G is innovating medicine—connecting surgeons with patients in understaffed hospitals in remote parts of the world and providing a seamless surgical experience for telesurgery. The surgery itself was old hat for Dr. Patel. As Chief Interventional Cardiologist at the Apex Heart institute in Ahmedabad, Patel had performed countless coronary angioplasties, a surgery where a balloon is inserted into the arteries of the heart and inflated to widen the artery and increase blood flow. A small mesh tube, called a stent, is then placed in the artery to keep it from narrowing again.
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US Rejoins the Paris Climate Accord
The United States on February 19, 2021 formally rejoined the Paris climate agreement, the international accord designed to avert catastrophic global warming. President Biden has said tackling the climate crisis is among his highest priorities and he signed an executive order recommitting the United States to the accord only hours after he was sworn into office last month.“We can no longer delay or do the bare minimum to address climate change,” Mr. Biden said on Friday. “This is a global, existential crisis. And we’ll all suffer the consequences if we fail.” The US withdrawal from the Paris Climate Accord brought cities into the spotlight. Because cities and mayors are acting now, and we must be right beside them as they become necessary leaders in this vital cause. See the world turning green in support of the Paris Climate Accord and the future of our planet.
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The latest assessment of climate science is a “code red for humanity,” the head of the United Nations said Monday, as a body of scientists convened by the organization—the Intergovernmental Panel on Climate Change—warned of the “unequivocal” and in some cases irreversible effects of human influence on the planet. The climate is warming at a pace even faster than previously thought and, without stark emissions cuts, could surpass a crucial temperature threshold “up to a decade sooner than previously thought,” Axios notes. “Unless there are immediate, rapid and large-scale reductions in greenhouse gas emissions, limiting warming to close to 1.5°C or even 2°C will be beyond reach,” the IPCC said in a press release August 9, 2021. As report co-author Linda Mearns described it: “Nowhere to run, nowhere to hide.”
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A recent study reveals a new, distinct fifth layer of Earth deep inside the core, which could help inform the evolution of Earth’s magnetic field. Back in the day, there were only four layers of Earth: the crust, mantle, liquid outer core and solid inner core. Now, scientists have revealed a new, distinct layer within our planet’s inner core, which could help inform the evolution of Earth’s magnetic field.
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A new subvariant of the novel-coronavirus called XBB dramatically announced itself in Mid October, 2022, in Singapore. New COVID-19 cases more than doubled in a day, from 4,700 on Monday to 11,700 on Tuesday—and XBB is almost certainly why. The same subvariant just appeared in Hong Kong, too. A highly mutated descendant of the Omicron variant of the SARS-CoV-2 virus that drove a record wave of infections starting around a year ago, XBB is in many ways the worst form of the virus so far. It’s more contagious than any previous variant or subvariant. It also evades the antibodies from monoclonal therapies, potentially rendering a whole category of drugs ineffective as COVID treatments.
