Esra Oz
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Articles by Esra Oz
Amyloid Fibers Have an Unexpected Role in Sperm, Scientists Discover Original
A sperm cell's cargo includes more than a father's DNA. RNA molecules that can contribute to early embryonic development also make the journey. Some of those molecules begin their trip outside the sperm. Researchers have found that tiny protein fibers in semen can help RNA in the surrounding fluid enter sperm cells. In a new study published in Molecular Cell, the team showed that these fibers can bind RNA, enter sperm, and help deliver that cargo to mouse embryos after fertilization.
A Massive Brain-Scan Study Just Complicated a Popular Theory About Emotional Control Original
After a breakup, a friend might remind you that you've made it through difficult times before. Their advice makes sense, and you want to believe you'll feel happy again. You might still return home from that conversation feeling just as upset. Looking at a situation differently can sometimes bring relief. Scientists call the attempt to change our feelings by reinterpreting events cognitive reappraisal. But does seeing the brain make that effort also reveal how well it works?
This Robotic Hand Walks on Its Fingers Like Thing From The Addams Family, And It's Creepy as Heck Original
Watching a hand walk away on its fingers brings to mind Thing from The Addams Family. Heidi Klum brought a gruesome version to life this Halloween with her giant severed-hand costume. In a Swiss robotics lab, a mechanical hand is taking its own steps toward something more useful. Researchers at ETH Zurich taught it to walk on its fingertips, get upright after a fall, and press keyboard keys while balancing on its other fingers.
This Robotic Hand Walks on Its Fingers Like Thing From The Addams Family, And It's Creepy as Heck
Military 1 hour ago Shipping container-mountable guns offer plug-and-play naval defense newatlas.com - David Szondy • 1h Pirates attacking cargo ships might be in for a surprise in the near future as BAE Systems shows off its Sea Tridon family of 40-mm guns at the … Software 5 hours ago 7 Mac and iPhone apps worth downloading right now Fast Company - Rahul Chowdhury • 5h From a smarter browser and powerful screenshot tool to a privacy-focused writing assistant, these lesser-known apps can...
Scientists used a 'psychomanteum' to summon ghostly encounters. Then it got weird.
One woman felt someone stroking her hair. To her, it was a loved one who had died. Other participants described a smell, felt a touch, or pictured someone they had lost. They had spent 45 minutes looking into a mirror in a dimly lit room, as researchers investigated how an absent person can seem to be nearby.
Belief in Magic Is Not Disappearing in The Modern World, Study Shows Original
Imagine a house where footsteps supposedly echo through the hallways at night and doors close in empty rooms. If you had to spend a night there, would explanations involving old floorboards and drafts be enough to settle your doubts? As it happens, trusting a scientific explanation doesn't necessarily close the door on ghosts.
Scientists Used a 'Psychomanteum' to Summon Ghostly Encounters. Then It Got Weird.
One woman felt someone stroking her hair. To her, it was a loved one who had died. Other participants described a smell, felt a touch, or pictured someone they had lost. They had spent 45 minutes looking into a mirror in a dimly lit room, as researchers investigated how an absent person can seem to be nearby.
'Good' body fat is linked to fewer anxiety and depression diagnoses
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'Good' Body Fat Is Linked to Fewer Anxiety And Depression Diagnoses Original
When we think about body fat, the number on the scale or an expanding waistline often comes to mind. Research on brown fat is drawing attention to a different connection: patients whose scans showed this tissue had fewer recorded diagnoses of anxiety and depression. Found in areas including the neck, near the collarbones, and the armpits, brown fat produces heat when activated by cold. It takes up the radioactive sugar tracer used in certain medical scans, making it visible in the images.
Drug Restores Liver Function in Aging Rats And Halves Levels of an Alzheimer's-Linked Protein Original
The liver clears substances from our blood, but parts of this system become less efficient as we age. Scientists have now restored some of that lost function in older rats with an experimental drug, halving blood levels of a protein fragment linked to Alzheimer's disease. The treatment also lowered cholesterol. After that second finding, the researchers discovered that the drug restored communication between neighboring liver cells.
Drug Restores Liver Function in Aging Rats And Halves Levels of an Alzheimer's-Linked Protein
3 hours ago Former SpaceX engineers launched a startup that aims to make clean drinking water more accessible around the world. If your city’s water supply gets shut off in a disaster, extra bottled water in your cupboard won’t last long. A startup founded by former SpaceX engineers proposes a different option …
World First: Underwater Volcano Off US Coast Generates Net-Positive Electricity
An engineering team lowered a generator to the ocean floor and ran it using heat from an underwater volcano. They wanted to find out whether it could produce more electricity than it needed to operate. For 8.7 seconds, the system did just that. Seattle-based Endurance Energy announced the results of its Adélie experiment on October 19 in a company press release. The test took place at Axial Seamount, an underwater volcano about 480 kilometers (300 miles) off Oregon.
World First: Underwater Volcano Off US Coast Generates Net-Positive Electricity
2 hours ago NEW HAVEN, Conn. (WTNH) — Revolution Wind, a 65-turbine offshore wind farm off the coast of Rhode Island, is now operating at full capacity, developer Ørsted announced Thursday. The wind farm, located about 15 miles east of Block Island, began delivering electricity to the grid in March. With …
A High-Fat Diet Triggered an Unexpected Brain Response in Young Female Mice Original
Fatty foods aren't something we usually associate with a more adaptable brain. Much of the research on diet and learning explores how unhealthy eating can cause difficulties. But the brain may start adapting before those problems appear. Learning depends partly on nerve cells changing their connections. That flexibility helps an animal remember a place or abandon a familiar route. Scientists wanted to understand what happens to this ability when a young animal starts eating a high-fat diet.
Aphantasia: Some People Can't Picture Things While Awake, But See Them in Dreams Original
Picture someone you know well. You might be able to bring their face to mind, perhaps their smile or the way their hair falls. For some people, that familiar face never becomes a mental picture, however hard they try. When they fall asleep, this can change. Faces and places may appear in their dreams, even though they cannot deliberately picture them during the day. What allows those images to appear during sleep? The inability to picture things at will is known as aphantasia.
One Form of Exercise Helped Young People Recover Faster After Concussion
Going to class, meeting friends, and joining practice fill an ordinary teenager's day. After a concussion, those familiar activities can become difficult. Headaches, trouble concentrating, and disrupted sleep can delay a return to everyday life for weeks, sometimes months. If movement worsens symptoms, starting to exercise again can feel daunting. Knowing how much to do, and when to take the next step, could help a young person find their way back.
Seeing Your Pain Through an Evolutionary Lens May Ease Depression, Early Trial Finds Original
After a relationship ends, loneliness can come with questions. Why does it still hurt? Why can't I move on? For someone experiencing depressive symptoms, searching for an answer can become another way to blame themselves. Scientists in Romania examined a therapy that aims to reduce this self-blame by exploring how the pain of separation relates to needs for closeness and security shaped throughout human evolution. The researchers adapted the therapy into two intensive days of group treatment.
Utkan Demirci ve Ufuk Eren'in yeni fonu EnaBridge Ventures derin teknoloji girişimlerine odaklanıyor
Harvard'daki bir laboratuvarda tasarlanan küçük bir mikroakışkan cihaz, bugün 60'tan fazla ülkede 5 bin 500'ü aşkın tüp bebek merkezinde kullanılıyor ve şirket verilerine göre şimdiye dek 200 binden fazla klinik vakada uygulandı. Cihazı ticarileştiren ZyMōt, 2024'te dünyanın en büyük kadın sağlığı şirketlerinden CooperSurgical'a satıldı. Bu yolculuğun mimarlarından biri olan Stanford Üniversitesi'nden Prof. Dr. Utkan Demirci, şimdi bu dönüşümü tekrarlanabilir bir sisteme çevirmek istiyor.
Your Car's Biggest Security Weakness Could Be Somewhere Unexpected Original
Could a car's entertainment system provide a route to its brakes? In 2015, security researchers demonstrated that possibility in a Jeep Cherokee. They remotely accessed its infotainment system, which runs in-car entertainment, and interfered with driving functions. Fiat Chrysler subsequently announced a recall covering approximately 1.4 million vehicles across the US to install a software update that fixed the flaw. That attack targeted a system built into the car.
Your Car's Biggest Security Weakness Could Be Somewhere Unexpected
Binance 5 hours ago Binance pauses withdrawals as hackers suspected of stealing billions in crypto TechCrunch - Zack Whittaker • 5h Binance has confirmed to TechCrunch that it is dealing with a security incident as users reported that funds were being drained from the crypto exchange’s wallets.
Remember When Scientists Invented a Robot Tail to Improve Our Human Balance? Original
Seven years ago, Japanese researchers developed a wearable prototype robotic tail they said could help older people stay steady on their feet and assist workers carrying heavy loads. Called Arque, the device was designed to respond to a wearer's leaning by moving in the opposite direction. Walking sticks and walkers already provide support for people who need help with balance.
There's a Curious Link Between Your Childhood Imaginary Friend And an Uncanny Feeling Later in Life Original
If you had an imaginary friend who walked beside you and joined your childhood games, you may have left them behind as you grew up. Scientists have now found a connection between that childhood experience and the feeling some adults have that someone is nearby, even when they are alone. The question reaches beyond how we dream up a companion: How do we come to feel that they are sharing our space? To investigate, researchers turned to adults' childhood memories.
Your Brain Seems to Stretch Time While You're Learning a New Movement
A tennis player might describe the ball seeming to slow down just before a shot. A musician might feel time passing differently when absorbed in a performance. Researchers are investigating whether preparing to move helps shape these changes in our experience of time. One way to find out is to ask people how long a brief light stays on. A light can be visible for a fixed amount of time, but a person's judgment of its duration may shift, especially while they are preparing to reach toward a target.
Your Brain Seems to Stretch Time While You're Learning a New Movement
A tennis player might describe the ball seeming to slow down just before a shot. A musician might feel time passing differently when absorbed in a performance. Researchers are investigating whether preparing to move helps shape these changes in our experience of time. One way to find out is to ask people how long a brief light stays on. A light can be visible for a fixed amount of time, but a person's judgment of its duration may shift, especially while they are preparing to reach toward a target.
Scientists Found a Blood Signature Linked to 23% Lower Risk of Death Original
Remembering everything you ate last week can be difficult, but your blood may keep its own record: traces of how your body processed those meals. Scientists have found that a blood signature tied to Mediterranean-style eating is linked to risk of dying years later. In a study involving 14,584 people in Spain and the United States, groups with higher signature scores had a lower risk of death during follow-up.
Fenomen tavsiyesiyle başlayan cilt bakımı dermatoloji kliniğinde bitebiliyor
Bir serum, ardından tonik, peeling, retinol, C vitamini, AHA veya BHA... Sosyal medyada birkaç dakikalık videolara sığdırılan cilt bakım rutinleri bazen 8-10 farklı üründen oluşuyor. Ürünü öneren kişinin pürüzsüz görünen cildi ve "Bende çok işe yaradı" demesi de binlerce kişinin aynı ürünü denemesi için yeterli olabiliyor. Ancak bir kişinin cildine iyi gelen ürün, başka birinin cildinde aynı sonucu vermeyebilir.
Mice With Parkinson's-Like Brain Changes Unexpectedly Recovered a Year Later Original
Three weeks of exposure to a pesticide left laboratory mice moving slowly and struggling to balance. Scientists were using the chemical to study some of the movement problems seen in Parkinson's disease. But as they continued watching the animals after exposure ended, those problems began to ease. Without receiving a treatment to reverse their symptoms, the mice gradually improved. By the end of a year, they performed movement tests as well as controls of the same age.
One Dose of Experimental Antibody Kept HIV-Like Virus in Remission For 4 Years in a Monkey Original
HIV can fall silent without leaving the body. Hidden inside immune cells, it can survive treatment and start multiplying again when medication stops. So researchers have started going after the hiding places themselves, with an experimental antibody tested in infant monkeys. Given once alongside early antiviral treatment, it helped keep simian immunodeficiency virus (SIV), a relative of HIV, from returning for months after medication ended in some animals.
Women Appear to Experience Psychedelic Drugs More Intensely, And We Don't Know Why Original
Magic mushrooms can make colors appear more vivid, alter the sense of time, and send thoughts in unfamiliar directions. The compound responsible for these effects is called psilocybin, but there's still a lot we don't understand about how it works. Psilocybin is of interest to scientists because of its potential to help treat mental health conditions under controlled conditions. One question that remains to be solved is whether women and men have different experiences when they take the drug.
Scientists Simulated Solar Explosions in The Lab – And May Have Solved One of The Sun's Biggest Mysteries Original
Move away from a fire, and you expect to feel cooler. But with the Sun, something very strange happens. The Sun's outer atmosphere is hundreds of times hotter than its visible surface. Where does the energy behind that difference come from? The visible surface is around 5,500 °C, while the outer atmosphere, called the corona, can exceed a million degrees Celsius. Scientists have spent decades trying to explain how this thin layer stays so hot.
Both Low And High Testosterone Seem to Be Linked to an Irregular Heartbeat, Study Finds Original
Raising a low hormone level might seem like a straightforward way to restore balance, but for testosterone, health improvements could depend on how far that level rises. Testosterone helps support sexual desire, muscles, and bones. Some men with a deficiency receive replacement treatment. Could the hormone's level also affect how regularly the heart beats?
Mysterious Star Pattern in Famous Van Gogh Painting Solves a Century-Old Debate Original
In 1889, Vincent van Gogh watched the sky before sunrise from his room at an asylum in Saint-Rémy, southern France. In a letter to his brother Theo, he recalled seeing only the morning star above the countryside before dawn, noting how large it appeared. In The Starry Night, painted that year, blue swirls sweep above a small village. A tall cypress rises on the left, while rings of yellow light surround the stars and crescent Moon.
'Low-Oxygen' Drug Combination Reverses Parkinson's Symptoms in Mice Original
Our brains depend on a steady oxygen supply, and problems can arise when cells cannot properly use the oxygen reaching them. Scientists investigating what happens when that balance breaks down have tested an unexpected approach in mice with Parkinson's-like symptoms: reducing oxygen delivery to their tissues. Mice given an experimental drug combination became quicker at descending a pole and could hold onto a cage lid for longer. Treatment began after their movement problems had already appeared.
Scientists Have Reconstructed The Face of The Oldest Known Homo Sapiens, And It Looks Very Familiar
Scientists have used human fossils from Morocco to create a digital face from around 315,000 years ago. The result offers a glimpse of what some of the earliest known members of our species might have looked like. Despite its strong features and projecting jaw, the face would not seem entirely out of place today.
Cats And Their Owners Seem to Share A Weird, Hormonal Connection Original
You settle onto the couch after a tiring day, and your cat curls up beside you, resting its head against your hand. Its warm fur and purring are familiar parts of your bond. How that connection affects both your bodies is less understood. Scientists in Japan looked for signs of that connection in two hormones. Oxytocin plays a role in social bonding and can rise during affectionate contact. Cortisol helps regulate the body's response to stress and its use of energy.
Ultraprocessed Food May Be Silently Damaging Your Brain's Blood Vessels
The blood vessels feeding your brain can sustain damage without an obvious warning. Scientists have now linked higher consumption of ultraprocessed foods to signs of that damage in middle-aged adults, raising questions about how everyday eating habits relate to the brain's vascular health. These changes can show up on brain scans even when someone has no noticeable symptoms.
A saline injection could offer longer relief from carpal tunnel pain
Typing with numb fingers, struggling to hold a pen, or waking with an aching hand can make everyday life exhausting for people with carpal tunnel syndrome. The condition develops when a nerve supplying the hand becomes squeezed inside a narrow passage at the wrist. Pressure can disrupt the nerve's signals , causing pain, tingling, numbness, and weakness. Now, a small trial has found that injecting saline around the trapped nerve could ease symptoms for longer than a steroid injection.
How Many Steps a Day Does It Take to Sharpen Your Attention? A 14-Year Study Hints at The Range Original
A daily step count is a simple way to keep track of how much we move. It may also offer clues about our attention and decision-making skills. Researchers examined activity records and cognitive test results from 3,093 US adults across 14 years to explore how everyday movement relates to thinking. They also looked at blood pressure.
A Saline Injection Could Offer Longer Relief From Carpal Tunnel Pain
Typing with numb fingers, struggling to hold a pen, or waking with an aching hand can make everyday life exhausting for people with carpal tunnel syndrome. The condition develops when a nerve supplying the hand becomes squeezed inside a narrow passage at the wrist. Pressure can disrupt the nerve's signals, causing pain, tingling, numbness, and weakness. Now, a small trial has found that injecting saline around the trapped nerve could ease symptoms for longer than a steroid injection.
Scientists Find a Way to Turn Desert Sand Into 'Living Sand' That Holds Water Six Times Longer Original
For farmers working sandy ground, watering is only part of the job. Water drains quickly through the gaps between grains, while wind can carry the loose sand away. Keeping plants alive means holding moisture around their roots and keeping the sand in place. Scientists have now tested whether fibers produced by bacteria and fungi can bind those grains together. Growing microbes directly in sand created a material they call "living sand," which tests showed could cut water loss by six times.
Ending clock changes? Health experts say there's a winner between standard and daylight saving time
Keeping the clocks on summer time all year means lighter evenings, but it also delays winter sunrise by an hour on the clock. People getting up early for work or school spend more of the morning in darkness. A new Canadian analysis concludes that permanent standard time is the better choice for health if seasonal clock changes are abolished, because it preserves earlier access to morning light. British Columbia adopted permanent daylight saving time in March.
Partial vision restored in some blind patients with new experimental treatment
Night vision often fades first, followed by a narrowing of peripheral vision. In retinitis pigmentosa, this progressive loss can eventually lead to blindness. An experimental treatment has now helped some patients recover limited visual abilities. The approach combines a gene injection with special goggles. In a small trial involving 10 people with profound vision loss in both eyes, some participants became better able to detect objects, locate them, and reach toward them while using the device.
Ending Clock Changes? Health Experts Say There's a Winner Between Standard And Daylight Saving Time Original
Keeping the clocks on summer time all year means lighter evenings, but it also delays winter sunrise by an hour on the clock. People getting up early for work or school spend more of the morning in darkness. A new Canadian analysis concludes that permanent standard time is the better choice for health if seasonal clock changes are abolished, because it preserves earlier access to morning light. British Columbia adopted permanent daylight saving time in March.
Partial Vision Restored in Some Blind Patients With New Experimental Treatment
Night vision often fades first, followed by a narrowing of peripheral vision. In retinitis pigmentosa, this progressive loss can eventually lead to blindness. An experimental treatment has now helped some patients recover limited visual abilities. The approach combines a gene injection with special goggles. In a small trial involving 10 people with profound vision loss in both eyes, some participants became better able to detect objects, locate them, and reach toward them while using the device.
Dozens of young hammerhead sharks spotted gathering off Australian beaches
Drones watching for sharks off Australia's east coast have filmed dozens of young hammerheads swimming together in shallow water near popular beaches. In southeast Queensland, researchers recorded groups of up to 80 scalloped hammerhead sharks at Burleigh Beach on the Gold Coast. Farther north, at Noosa Main Beach on the Sunshine Coast, the largest group contained an estimated 100. Several years of drone records showed where these young sharks gathered and when the biggest groups appeared.
A cheap deworming pill could help beat drug-resistant lung cancer
When cancer cells learn to survive a drug designed to stop them, where do you turn next? A new study points to an unexpected possibility: a medicine used to treat parasitic worms. Researchers combined the deworming medicine with a targeted lung cancer drug. In laboratory experiments, the pairing reduced resistant cancer-cell viability. In mice, tumors took longer to double in size with the combination than with either drug alone.
Sosyal medyada ne yapacağımızı bize kim söylüyor?
Son dönemde sosyal medyada dikkat çeken isimlerden biri, "Huylu Adam" adıyla tanınan iletişim uzmanı Fatih Günan. Günan'ın videolarını ilginç kılan yalnızca gündelik hayatın tuhaflıklarına mizahla yaklaşması değil. Yaklaşık 20 yıldır iletişim ve pazarlama dünyasının içinde olan Günan, kendi sektörünün yarattığı akımları da sorguluyor. Ne yiyeceğimizden nasıl görüneceğimize, kimlerle arkadaşlık edeceğimizden günümüzü nasıl planlayacağımıza kadar uzanan bir alan bu.
Dozens of Young Hammerhead Sharks Spotted Gathering Off Australian Beaches
Drones watching for sharks off Australia's east coast have filmed dozens of young hammerheads swimming together in shallow water near popular beaches. In southeast Queensland, researchers recorded groups of up to 80 scalloped hammerhead sharks at Burleigh Beach on the Gold Coast. Farther north, at Noosa Main Beach on the Sunshine Coast, the largest group contained an estimated 100. Several years of drone records showed where these young sharks gathered and when the biggest groups appeared.
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