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> Image: Scientists reviewing medical research data (Representative image from Unsplash). 🏅 English Version Three Scientists Win the 2025 Nobel Prize in Medicine for Immune System Discoveries -- The 2025 Nobel Prize in Physiology or Medicine has been awarded to Mary E. Brunkow, Fred Ramsdell, and Shimon Sakaguchi for their groundbreaking discoveries about how the human immune system maintains balance and prevents the body from attacking itself. This trio of scientists revealed how our immune system knows the difference between harmful invaders and our own healthy cells — a discovery that has opened the door to new treatments for autoimmune diseases such as Type 1 diabetes, multiple sclerosis, and rheumatoid arthritis. --- 🔬 What They Discovered Shimon Sakaguchi, a Japanese immunologist, was the first to identify a special group of immune cells known as regulatory T cells (T-regs). These cells act like security guards, ensuring that the immune system doesn’t overreact o...

Earth’s New Quasi-Moon: 2025 PN7 Discovery by Scientists In September 2025, astronomers made an exciting discovery: a new "quasi-moon" orbiting Earth, designated 2025 PN7. Unlike our familiar Moon, which is gravitationally bound to Earth, this newly discovered object is a quasi-satellite, meaning it shares a similar orbit around the Sun while staying near Earth. Discovery Details The quasi-moon 2025 PN7 was first detected by the Pan-STARRS observatory in Hawaii on August 29, 2025. Interestingly, further analysis suggests that 2025 PN7 has been orbiting near Earth for decades, possibly since around 1965, and observations indicate it may have remained close to our planet for approximately 60 years. This discovery adds to the growing list of Earth’s quasi-moons, including previously known objects like Kamo‘oalewa and 2024 PT5. Scientists are particularly interested in these objects because they offer valuable insights into orbital mechanics, the dynamics of near-Eart...