NASA's Webb detects methane and strange chemistry on interstellar comet 3I/ATLAS

NASA's James Webb Space Telescope has uncovered unusual chemistry in interstellar comet 3I/ATLAS, including the first direct detection of methane on a visitor from another star system. The comet also contains exceptionally high levels of carbon dioxide, making it unlike most comets born in our solar system. Scientists believe the methane was hidden beneath the surface and only emerged after solar heating reached deeper icy layers.

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Brain scans reveal two distinct types of autism

Scientists have uncovered evidence that autism may include at least two biologically distinct subtypes, each marked by a different pattern of brain communication. By combining brain scans from nearly 1,000 people with autism with insights from 20 genetically engineered mouse models, researchers identified a “hyperconnectivity” subtype, where brain regions communicate more than usual, and a “hypoconnectivity” subtype, where communication is reduced.

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New light-powered chip could accelerate AI and quantum computing

Scientists have created a tiny chip that can generate, steer, and read light-based information all in one device, marking a major leap toward ultra-fast, energy-efficient computing. The breakthrough uses atomically thin materials and nanoscale structures to control a unique quantum property of light called the “valley” degree of freedom, allowing information to be encoded in new ways.

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One fat helped pancreatic cancer grow while another cut disease in half

A surprising new study suggests that when it comes to pancreatic cancer, the kind of fat you eat may matter more than how much. Researchers found that oleic acid—the main fat in olive oil and several other common foods—sped up tumor growth in mice predisposed to pancreatic cancer, while omega-3-rich fats from fish oil dramatically slowed disease development.

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The forgotten organ that could predict how long you live

A long-overlooked organ may hold surprising clues to healthy aging and cancer survival. Researchers at Mass General Brigham used AI to analyze CT scans from tens of thousands of adults and found that people with healthier thymuses—a small immune-system organ once thought to become largely irrelevant after childhood—lived longer and had substantially lower risks of heart disease, cancer, and death.

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Why Sweden’s wolverine conservation success story is unraveling

A world-famous conservation program that helped save Sweden’s endangered wolverines is now struggling as funding stagnates and local trust erodes. Researchers say the decline offers a cautionary lesson: protecting wildlife requires long-term commitment, not just early success.

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The forgotten organ that could predict how long you live

A long-overlooked organ may hold surprising clues to healthy aging and cancer survival. Researchers at Mass General Brigham used AI to analyze CT scans from tens of thousands of adults and found that people with healthier thymuses—a small immune-system organ once thought to become largely irrelevant after childhood—lived longer and had substantially lower risks of heart disease, cancer, and death.

from Top Health News -- ScienceDaily https://ift.tt/kb1UBoD