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Scientists may have found a better way to spot early signs of dementia: our eyes

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As our body’s central control center, the brain has to keep going at all costs. It makes sense that it’s surrounded by biological safeguards: a bony skull, a sack of tissue, and blood vessels that filter out most infectious bugs. When neurons start to decline—as some do naturally with age—the brain can even quickly rewire networks before we notice anything is amiss. But these same safeguards are a huge obstacle for scientists trying to study the brain’s decline—specifically dementia. Grey matter is excellent at adapting to the slow buildup of abnormal proteins, the cause of several forms of dementia , and it lacks the same pain receptors as the rest of our body. So by the time a patient starts becoming forgetful, or having trouble concentrating, the cellular damage is already substantial—and usually irreversible. In order to slow or prevent dementia, scientists will have to be able to spot it before cognitive systems collapse. Current diagnostic tools for Alzheimer’s, the most com...
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Macro Photos of Water Droplets Reveal the Overlooked Beauty of Nature

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Macro photography is more than just close-up images—the technique offers a new perspective on the world, revealing the tiny and often overlooked details of the photographer’s subject. Canadian photographer Don Komarechka explores nature through his macro camera lens, revealing water droplets as miniature works of art. “All of these images are like little sculptures,” Komarechka tells My Modern Met. “Very temporary, and only become beautiful when seen from the right perspective.” Each image from Komarechka’s droplet series shows little spheres of water dotted across petals and flower stems. Through experimenting with perspective, the photographer’s stunning photos reveal how the flowers are reflected in the droplets’ surface. Although liquid, each globule looks like a floral glass paperweight or snow globe. “I’ve always considered the essence of good photography to be the combination of both art and science; the deep you wave that mesh, the more magical the results will be,” says Kom...
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Scientists Just Teleported An Object To Space 900 Times

This experiment happened over the course of one month, and while this is a small percentage of successful attempts, it is still a major breakthrough. “This work establishes the first ground-to-satellite up-link for faithful and ultra-long-distance quantum teleportation, an essential step toward global-scale quantum internet ,” the team said in a statement . This strange experiment was made possible through the quantum physics discovery of quantum entanglement, which is a mysterious force that is still not known very well by scientists. Advancements in quantum entanglement have shown that two objects could be extremely far apart, even on different planets, and still somehow share the same space and existence. In a previous experiment last year, a team was able to send and receive quantum information over 62 miles of fiber. In that experiment, it was only a small number of photons that actually made it through. In that case, far less than 1% of the photos actually made it to their i...
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