Everything posted by AnswerMe
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Scientists say BMI gets it wrong for over one third of adults
A new study suggests that one of the most widely used health metrics, BMI, may be getting it wrong for a large portion of the population. By comparing BMI classifications with precise body fat measurements using advanced DXA scans, researchers found that more than one-third of adults were placed in incorrect weight categories. Many people labeled as overweight or obese did not actually have the corresponding body fat levels, while others were missed entirely.View the full article
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Study finds dangerous lead levels in children’s clothing
Fast fashion might come with a hidden danger: lead. Researchers testing children’s shirts from multiple retailers found every sample exceeded U.S. safety limits, raising concerns about toxic exposure—especially since young kids often chew on clothing. Brightly colored fabrics like red and yellow showed particularly high levels, likely due to chemicals used to fix dyes. Simulations suggest that even brief mouthing could expose children to unsafe amounts of lead, a substance known to harm brain development and behavior.View the full article
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New microwave frying technique could make french fries much healthier
Scientists have discovered a way to make French fries less greasy without ruining their taste. By combining regular frying with microwave heating, they reduce the amount of oil absorbed during cooking. The key lies in pressure inside the food—microwaves help push oil out instead of letting it seep in. The result: faster cooking, lower fat, and fries that can still stay crispy.View the full article
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Laser-powered wireless hits 360 Gbps and uses half the energy of Wi-Fi
A new breakthrough in wireless technology could dramatically boost internet speeds while cutting energy use—by switching from radio waves to light. Researchers have developed a tiny chip packed with dozens of miniature lasers that can transmit massive amounts of data simultaneously, reaching speeds over 360 gigabits per second in early tests.View the full article
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Eating more meat may lower Alzheimer’s risk for some people
A surprising new study suggests that genetics may change how diet affects brain health—especially when it comes to Alzheimer’s risk. Researchers found that older adults carrying high-risk APOE gene variants didn’t show the expected cognitive decline if they ate relatively high amounts of meat. In fact, those with these genes who consumed the most meat had slower cognitive decline and lower dementia risk, challenging conventional dietary advice.View the full article
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Breakthrough could protect the vision cells that let you see faces and colors
Scientists have taken a major step toward protecting the very cells that make sharp, colorful vision possible. By testing more than 2,700 compounds in thousands of lab-grown human retinal models, researchers uncovered several molecules that can shield cone photoreceptors—the cells responsible for reading, recognizing faces, and seeing color—from degeneration. They also identified a key protective mechanism involving casein kinase 1, offering a promising new target for treatment.View the full article
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Earth’s magnetic field went wild 600 million years ago and scientists finally know why
Hundreds of millions of years ago, Earth’s magnetic field behaved in a way that has long baffled scientists, showing wild and seemingly chaotic shifts unlike anything seen before or since. A new study suggests this chaos may actually hide a deeper pattern: instead of random fluctuations, the magnetic field may have followed a global, organized structure.View the full article
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Ancient bone dice reveal 12,000-year history of gambling in America
More than 12,000 years ago, Native American hunter-gatherers were already making and using dice—thousands of years before similar tools appeared elsewhere. These bone “binary lots” acted like primitive coins, producing random outcomes for games of chance. A new study shows these weren’t accidental objects but carefully designed tools used across many regions and cultures.View the full article
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This simple Japanese eating habit could help you live longer without dieting
Hara hachi bu, a traditional Japanese practice of eating until you’re about 80% full, is gaining attention as a simple yet powerful way to improve health and reshape our relationship with food. Rather than promoting strict dieting, it encourages slowing down, tuning into hunger cues, and eating with awareness and gratitude. Research suggests it may help reduce calorie intake, support healthier food choices, and prevent long-term weight gain.View the full article
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Scientists create “smart” DNA drug that targets cancer cells with extreme precision
Scientists have created a programmable drug system that can zero in on cancer cells with unprecedented accuracy. Built from synthetic DNA, it only activates when it detects a precise combination of tumor markers, preventing damage to healthy tissue. The system can also deliver multiple drugs at once, potentially overcoming resistance. This marks a step toward medicines that behave more like smart, responsive machines inside the body.View the full article
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Mysterious Greek inscription may reveal lost temple beneath Syria’s Great Mosque
A mysterious Greek inscription found beneath the Great Mosque of Homs could pinpoint the long-debated location of an ancient sun temple. Scholars now think the mosque sits atop a sacred site that transitioned from pagan worship to Christianity and then Islam. The find supports the idea that religious change in the region happened gradually, with overlapping beliefs rather than sudden shifts. It also reconnects the site to the powerful cult of Elagabalus, whose priest once became a Roman emperor.View the full article
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Physicists just solved a strange fusion mystery that stumped experts
Fusion scientists have solved a long-standing mystery inside tokamaks, the donut-shaped machines designed to harness fusion energy. For years, experiments showed that escaping plasma particles hit one side of the exhaust system far more than the other, but simulations couldn’t explain why. Now, researchers have discovered that the rotation of the plasma itself plays a crucial role—working together with sideways particle drift to create the imbalance.View the full article
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NASA launches Artemis II for first crewed Moon flyby in 50 years
A new era of lunar exploration has begun as NASA launches four astronauts on Artemis II—the first crewed mission to fly around the Moon in over 50 years. Riding aboard the powerful SLS rocket, the Orion spacecraft is now on a 10-day journey that will test critical systems, push human spaceflight farther than it’s gone in decades, and set the stage for future Moon landings and eventual missions to Mars.View the full article
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Scientists discover “molecular shredder” that helps deadly parasite evade the immune system
A deadly parasite responsible for sleeping sickness has been found using a surprisingly precise trick to stay hidden in the human bloodstream. Scientists discovered a protein called ESB2 that acts like a “molecular shredder,” cutting up specific genetic instructions as they are produced. This allows the parasite to flood its surface with protective proteins while suppressing other signals that might give it away.View the full article
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What’s hiding inside colon cancer could change treatment
Colorectal cancer may carry a unique microbial “fingerprint,” setting it apart from other cancers and opening a new frontier in diagnosis and treatment. By analyzing DNA from over 9,000 patients, researchers discovered that only colorectal tumors consistently host distinct microbial communities—challenging the long-held belief that all cancers have their own microbial signatures.View the full article
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Scientists discover bizarre termite that looks like a tiny sperm whale
High in a South American rainforest canopy, scientists have discovered a bizarre new termite species that looks strikingly like a miniature sperm whale. Named Cryptotermes mobydicki, this tiny insect has an elongated head and concealed mandibles that give it an uncanny resemblance to the iconic marine giant. Researchers were so surprised by its unusual appearance that they initially thought it belonged to an entirely new genus.View the full article
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Scientists found a baby dinosaur hidden in rock and it is surprisingly cute
Scientists uncovered a rare baby dinosaur in South Korea and named it Doolysaurus after a famous cartoon character. Using cutting-edge CT scans, they discovered hidden bones—including a skull—inside rock much faster than traditional methods. The young dinosaur, possibly fluffy and lamb-like, even had stomach stones that reveal it ate a mix of plants and small animals. The discovery suggests many more dinosaurs may still be hidden in Korea’s rocks.View the full article
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A 200-year-old light trick just transformed quantum encryption
Scientists have unveiled a new approach to ultra-secure communication that could make quantum encryption simpler and more efficient than ever before. By harnessing a 19th-century optics phenomenon called the Talbot effect, researchers developed a system that sends information using multiple states of single photons instead of just two, dramatically boosting data capacity. Even more impressive, the setup works with standard components and requires only a single detector, reducing cost and complexity.View the full article
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Millions start work too early. This drug helps them stay awake
Millions of people start work before sunrise—but their brains aren’t ready for it. A new clinical trial has found that the wake-promoting drug solriamfetol can significantly boost alertness in early-morning shift workers struggling with shift work disorder. Participants who took the drug were able to stay awake and function better throughout full shifts, with improvements in productivity, safety, and daily performance.View the full article
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Scientists discover hidden “winds” inside cells that could explain cancer spread
Cells aren’t as passive as scientists once thought—they actively create internal currents to move proteins quickly and efficiently. These “cellular winds” push materials to the front of the cell, enabling faster movement and repair. Discovered by chance and confirmed with advanced imaging, this system challenges decades of textbook biology. It may also reveal why some cancer cells spread so rapidly.View the full article
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Scientists open 40-year-old salmon and find a surprising sign of ocean recovery
Old canned salmon turned out to be a time capsule of ocean health. Researchers found that rising levels of tiny parasitic worms in some salmon species suggest stronger, more complete marine food webs. Because these parasites depend on multiple hosts—including marine mammals—their increase may reflect ecosystem recovery over decades. What looks unappetizing may actually be a sign of a healthier ocean.View the full article
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Scientists just found DNA “supergenes” that speed up evolution
Hidden within fish DNA are powerful genetic twists that may explain one of nature’s biggest mysteries: how new species form so quickly. In Lake Malawi, hundreds of cichlid fish species evolved at lightning speed, and scientists now think “flipped” sections of DNA—called chromosomal inversions—are the secret. These inversions lock together useful gene combinations, creating “supergenes” that help fish rapidly adapt to different environments, from deep waters to sandy shores.View the full article
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How squid survived Earth’s biggest extinction and took over the oceans
Scientists have finally cracked a long-standing mystery about squid and cuttlefish evolution by analyzing newly sequenced genomes alongside global datasets. The research reveals that these bizarre, intelligent creatures likely originated deep in the ocean over 100 million years ago, surviving mass extinction events by retreating into oxygen-rich deep-sea refuges. For millions of years, their evolution barely changed—until a dramatic post-extinction boom sparked rapid diversification as they moved into new shallow-water habitats.View the full article
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NASA’s asteroid Bennu sample reveals a hidden chemical patchwork
Scientists studying Bennu samples have discovered that its chemistry is far from uniform. Organic compounds and minerals cluster into three distinct types of regions, each shaped differently by past water activity. This uneven pattern shows that water altered the asteroid in a complex, localized way. The survival of delicate organic molecules adds an important clue to how life’s building blocks may persist in space.View the full article
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Scientists turn MXene into tiny nanoscrolls that supercharge batteries and sensors
Scientists have transformed a groundbreaking 2D nanomaterial called MXene into an even more powerful 1D form—tiny scroll-like tubes that are incredibly thin yet highly conductive. By rolling flat sheets into hollow nanoscrolls, they’ve created structures that act like fast “highways” for ions, boosting performance in batteries, sensors, and wearable electronics.View the full article