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A tiny laser beam could make computer memory 1,000 times faster

Scientists at UC San Diego have developed a surprising new way to store digital information using light instead of magnets, potentially paving the way for smaller, faster, and more energy-efficient memory devices. By precisely shaping and shrinking an ultrafast laser beam, researchers demonstrated that they could switch magnetic states in a material, the basic process used to write digital data. The technique could potentially operate more than 1,000 times faster than conventional magnetic switching methods.

via ScienceDaily
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Anangu traditional owners and scientists join forces to understand mass plant dieback at Uluru

A new collaborative research project between Anangu, the traditional owners of Uluru, and plant scientists has uncovered the physiological traits that helped some species of desert plants survive a mass dieback event in Australia. These results reveal the key strategies for desert plant survival in the face of increasing extreme weather events, with consequences for the conservation of ecologically and culturally important keystone species.

via Phys.org
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Q&A: Why does the right side of the brain control the left side of the body?

Dr. Martin Wessendorf is a neuroscientist and an associate professor emeritus at the University of Minnesota. His work focuses on how the brainstem controls the function of neurons in the spinal cord. Daniel Wang also researches the brain, focusing on cognitive neuroscience and neurodegenerative diseases.

via Phys.org
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Do spiders dream? Scientists just found a surprising clue

Scientists have discovered that spiders may sleep in ways surprisingly similar to humans, complete with distinct sleep stages and a dream-like REM state. Researchers at the University of Bonn studied the Australian jumping spider Portia fimbriata, a remarkably clever hunter known for its sophisticated strategies. By recording the spiders over several days and nights, they found clear evidence of regulated sleep, including a REM-like stage marked by eye movements and muscle twitches.

via ScienceDaily
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Scientists discover a surprising clue to why some brains resist Alzheimer’s

Why do some people stay mentally sharp even when their brains show signs of Alzheimer’s disease? Scientists in the Netherlands may have uncovered an important clue hidden in a rare group of immature brain cells. Researchers discovered that these cells remain present even in people over 80, but their behavior differs dramatically between those who develop dementia and those who remain cognitively healthy.

via ScienceDaily
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Mayo Clinic discovers new ways to fight the “zombie” cells that drive aging

Mayo Clinic scientists have uncovered surprising new insights into “zombie cells,” aging cells that linger in the body and contribute to inflammation and disease. Seven studies reveal why these cells are harmful and identify new strategies for targeting them, including a natural compound found in tomatoes. In aging mice, experimental treatments reduced inflammation and improved physical and brain health. The findings could open the door to therapies that combat some of the biological processes behind aging.

via ScienceDaily
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Long-term analysis questions whether Japan’s depopulation policy can stabilize shrinking communities

Small and medium-sized cities (SMCs) are essential for balanced national development, yet many are now facing prolonged population loss, aging and weakened labor markets. Japan has addressed this challenge for more than half a century through the Depopulated-Area-Designation (DAD) policy, a national framework that identifies municipalities facing population loss and supports them through infrastructure, fiscal, industrial and social measures. However, it has not been determined whether such a designation can stabilize shrinking communities over time.

via Phys.org