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A Hidden Pattern in Your Pulse Could Signal Future Cognitive Decline

Healthcare, Medicine /

Slight variations in a person’s heart rate may provide important clues about the likelihood of cognitive decline in the coming years, according to a new study. This finding points to a potential quick and easy test to detect early cognitive changes. Understanding and Preventing Cognitive Impairment Detecting when and how cognitive decline begins is a […]

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How Light Travels Across the Universe Without Losing Energy

Planetary Science, Space & Environment /

One evening in my light-polluted San Diego backyard, I had my telescope set up for astrophotography and aimed it at an incredibly distant galaxy. As the first image appeared on my tablet screen, my wife, Cristina, came over. “That’s the Pinwheel Galaxy,” I told her—named for its spiral shape and home to roughly a trillion

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Earth’s Core Contains a Vast Reservoir of Gold — And It’s Leaking Toward the Surface

Earth Science, Environmental Science /

Earth’s core holds an enormous amount of gold, and this precious metal is slowly making its way into the planet’s crust, according to a new study. Volcanic Rocks Reveal Traces of Precious Metals Researchers analyzed isotopes found in volcanic rocks that emerged from deep beneath the lithosphere and identified traces of precious metals — including

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Why We Tend to Trust Those Who Were Raised with Less

Psychology, Social /

According to a study published in the Journal of Personality and Social Psychology, people are more inclined to trust those who grew up with limited financial means than those who attended private schools or took European vacations. “Trust is a cornerstone of healthy relationships—without it, romantic bonds can break down, workplace dynamics can suffer, and

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2 24

Larvae-Attracting Gel Could Help Restore Destroyed Coral Reefs

Environmental Science, Science /

We can’t leave coral reef restoration to chance. To help coral larvae settle in damaged reef areas, researchers developed an algae-based gel that actively attracts them. The Hidden Builders of Coral Reefs Although many people assume coral polyps produce all the calcium carbonate in reef structures, crustose coralline algae actually produce a significant portion of

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Kissing Your Spouse Could Transmit Anxiety and Depression, Study Suggests

Psychology, Social /

A study of newlywed couples revealed that depression and anxiety may be transmitted between spouses through the oral microbiome, which is shared during close interactions like kissing. How Oral Bacteria May Influence Mental and Physical Health Researchers are increasingly discovering that, much like the gut microbiome, the oral microbiome—a complex mix of bacteria in our

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Why Intempus Believes Robots Should Mimic Human Physiology

Robotics, Science /

Teddy Warner, 19, has long been fascinated by robotics. Growing up in a family involved in the field, he spent his high school years working in a machinist shop. Today, he’s launching his own robotics startup, Intempus, with the goal of making robots more human-like. Intempus is developing technology to retrofit existing robots with emotionally

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Popular Diabetes Drug Connected To Significantly Longer Lifespan

Healthcare, Medicine /

Metformin, a first-line treatment for type 2 diabetes, has been linked to a 30% reduction in mortality risk, according to a recent study. The findings contribute to increasing evidence that the widely used medication may have anti-aging benefits. For years, metformin has been the primary treatment for type 2 diabetes patients who struggle to manage

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2 22

Parasite Hides by Stealing Human Cell Proteins

Microbiology, Science /

Parasites are infamous for their resourceful ways of infecting human cells, often developing complex tactics to slip past immune defenses unnoticed. One particularly crafty organism, Entamoeba histolytica, has evolved a remarkable method to stay hidden: it tears off fragments of human cells and uses their proteins to disguise itself. Life Cycle of a Deadly Parasite

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2 21

Cyborg Cockroaches Can Now Be Controlled With UV Goggles

Robotics /

This probably wasn’t on your radar for the week. Researchers at Osaka University have developed a method to guide cyborg insects using tiny helmets—without the need for invasive surgeries or internal implants. A Gentler Approach to Insect Control Keisuke Morishima, the lead researcher of the study combining biology and robotics, explained that this new approach

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