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A major milestone has just been reached in quantum computing. Three separate teams around the world have passed the 99 percent accuracy threshold for silicon-based quantum computing, placing error-free quantum operations within tantalizing grasp. In Australia, a team led by physicist Andrea Morello of the University of New South Wales achieved 99.95 percent accuracy with
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From sea to land to sky, Earth’s systems are contaminated with synthetic substances, and scientists warn it has already pushed the integrity of our planet over the brink. Today, there are about 350,000 human-made chemicals on the market, including plastics, pesticides, industrial chemicals, cosmetic chemicals, antibiotics, and other drugs. The fact this number continues to
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Planetary-scale engineering schemes designed to cool Earth’s surface and lessen the impact of global heating are potentially dangerous and should be blocked by governments, more than 60 policy experts and scientists said on Monday. Even if injecting billions of sulphur particles into the middle atmosphere – the most hotly debated plan for so-called solar radiation modification
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A mesmerizing new video shows a “once-in-a-lifetime encounter” with a bizarre, bright red octopus swimming above the Great Barrier Reef in northeastern Australia.  The encounter, first reported by local Australian news website Bundaberg Now, was a rare sighting of a blanket octopus, named after the blanket-like fleshy cape between its arms. Jacinta Shackleton, a marine biologist and reef guide, filmed and photographed
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Scientists in China say they have found the oldest flower bud in the fossil record, finally aligning the fossil evidence with the genetic data suggesting flowering plants, or angiosperms, evolved tens of millions of years earlier than we initially thought. The team hopes their discovery will help “ease the pain” around a nagging, centuries-old mystery that Charles
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A small pile of pebbles is clogging up the Perseverance Mars rover’s operations.   The rover, which is collecting rock samples for eventual return to Earth, began to struggle on Dec. 29, after extracting a core from a rock the mission team nicknamed “Issole.” According to a NASA blog, the problem occurred in the device that transfers the
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Located in the Okanagan Valley outside of Penticton, British Columbia, there is a massive radio observatory dedicated to observing cosmic radio phenomena. It’s called the Canadian Hydrogen Intensity Mapping Experiment (CHIME), a cylindrical parabolic radio telescope that looks like what snowboarders would call a “half-pipe”. This array is part of the Dominion Radio Astrophysical Observatory
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Thawing Arctic permafrost laden with billions of tonnes of greenhouse gases not only threatens the region’s critical infrastructure but life across the planet, according to a comprehensive scientific review. Nearly 70 percent of the roads, pipelines, cities, and industry – mostly in Russia – built on the region’s softening ground are highly vulnerable to acute
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Wherever there is sand and an atmosphere, prevailing winds may whip the grains into undulating shapes, pleasing to the eye with their calming repetition. Certain sand waves, with wavelengths between 30 centimeters (almost 12 inches) and several meters (around 30 feet), are known as megaripples: they’re between ordinary beach ripples and full dunes in size,