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For many people, surviving Ebola virus disease feels like the end of a terrifying battle. Ebola is one of the world's deadliest viruses, causing severe illness and claiming thousands of lives during outbreaks. But new research suggests that even after recovery, the virus may not be completely gone. Scientists have discovered that Ebola can hide deep inside the human body for months or even years, especially in the brain and other areas where the immune system has limited access. A new study published in Nature Microbiology sheds light on how the virus manages to survive for so long and why this hidden presence can sometimes lead to dangerous relapses or even spark new outbreaks. The research was conducted by scientists from the Bernhard Nocht Institute for Tropical Medicine (BNITM), the Icahn School of Medicine at Mount Sinai, and several international collaborators. Their findings provide some of the clearest evidence yet of how Ebola persists in the human nervous system. The Hid...

Every day, our brains process an enormous amount of information. Conversations, sounds, advertisements, social media posts, and background noise constantly compete for our attention. Most people assume that emotionally negative words—such as insults, threats, or disturbing statements—are especially difficult to ignore. After all, a harsh comment or alarming phrase often seems to stand out immediately. But a fascinating new study suggests that our brains may be doing something unexpected behind the scenes. Instead of prioritizing negative words, the unconscious mind may actually be filtering them out before they ever reach conscious awareness. Researchers from the Hebrew University of Jerusalem discovered that people were less likely to consciously notice negative spoken words than neutral words, even when those words were clearly present in what they were hearing. The findings provide a new glimpse into how the brain decides what information deserves our attention and what information ...

Cancer becomes far more dangerous when it spreads from its original location to other parts of the body. This process, known as metastasis, is responsible for the majority of cancer-related deaths worldwide. Now, researchers have developed a surprising new strategy that may help prevent this deadly spread: using carefully controlled amounts of carbon monoxide. In a recent preclinical study published in Advanced Science , scientists at Weill Cornell Medicine created a new metal-free carbon monoxide prodrug that significantly reduced the spread of pancreatic cancer and triple-negative breast cancer in animal models. The findings could open the door to a completely new way of preventing cancer recurrence after treatment. Why Cancer Spread Is So Difficult to Stop For many cancer patients, surgery and chemotherapy successfully remove or destroy most of the tumor. However, even after treatment appears successful, tiny numbers of cancer cells can remain hidden in the body. These surviving cel...

For centuries, time has been one of the greatest mysteries in science. We experience it every day as seconds, minutes, and hours passing by. We remember the past, live in the present, and move toward the future. But what if time is not a fundamental part of the universe at all? What if time is something that emerges naturally from the way matter behaves? A groundbreaking experiment by Professor Giovanni Barontini from the University of Birmingham has brought scientists one step closer to answering this profound question. By creating a tiny “mini-universe” inside a laboratory, researchers have demonstrated that time may not require a clock to exist. Instead, it can emerge from changes occurring within a system itself. The findings, published in Physical Review Research, provide the first controlled experimental evidence that time can arise from internal processes rather than from an external ticking clock. This remarkable work could reshape our understanding of the universe, quantum me...

For decades, physicists have dreamed of creating a clock so accurate that it could redefine how humanity measures time. Now, that dream has become a reality. Two independent research teams—one in China and the other in Europe—have successfully built working nuclear clocks, achieving a milestone that scientists have pursued for years. The breakthrough was made by researchers led by Beichen Huang at Tsinghua University and Luca Toscani De Col at the Vienna Center for Quantum Science and Technology in Austria. Their studies, recently published as preprints on arXiv, demonstrate that nuclear clocks are no longer just a theoretical idea. They are now real devices capable of measuring time with extraordinary precision. Many scientists believe these clocks could eventually outperform even the best atomic clocks in existence today, opening the door to revolutionary advances in science, navigation, and our understanding of the universe. Why Accurate Timekeeping Matters Timekeeping may seem ...

For a brief moment, it looked like modern cosmology might be in trouble. A bold new claim suggested that the universe’s accelerating expansion—the very foundation of dark energy theory—could be an illusion. If true, it would have shaken nearly 30 years of astronomical research. But now, new evidence has brought clarity. After re-examining the same data with improved methods, scientists have confirmed that the universe is still expanding faster and faster. The so-called “crisis” in cosmology has been resolved, and the standard model of the universe remains intact. The results reassure astronomers that dark energy is still needed to explain how the cosmos behaves—even if its true nature remains one of the biggest mysteries in science. A Shock Claim That Sparked Debate The controversy began in late 2025 when a group of researchers published a study suggesting something dramatic: the evidence for dark energy might be weakening. Dark energy is the unknown force believed to be driving the ac...

Skin is our body’s first and most important protective shield. It guards us from bacteria, viruses, pollution, and physical injuries. But when the skin is damaged—whether by cuts, burns, or surgical wounds—the body must quickly repair itself to prevent infection and reduce scarring. Fast and effective wound closure is essential for proper healing. A new scientific development is now changing how wounds may be treated in the future. Researchers have created a multi-axis stretchable wound zipper (MSWZ) —a smart, flexible device that can close wounds more efficiently than traditional methods like stitches. The study, published in Advanced Science , shows that this technology can improve healing speed, comfort, and precision in complex wounds. Why wound healing is still a challenge Even though medical science has advanced, closing wounds properly is still not always easy. Doctors usually rely on: Sutures (stitches) Surgical staples Medical adhesives These methods work well for simple cuts,...