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Scientists have discovered that the human body undergoes a dramatic internal transformation during extended fasting, with major changes appearing only after about three days without food. In a seven-day water-only fasting study, researchers tracked . ...

A new nanotechnology treatment reversed Alzheimer's symptoms in mice by restoring the brain's natural cleanup system. The specially engineered nanoparticles helped clear toxic amyloid proteins from the brain and repair the blood-brain barrier, which ...

A spectacular dinosaur discovery in Spain is giving scientists a rare new look inside the world of stegosaurs. Paleontologists uncovered the best-preserved stegosaur skull ever found in Europe, belonging to the iconic plated dinosaur Dacentrurus ...

A long-lost manuscript discovered in Rome has revealed one of the oldest surviving versions of the very first known poem written in English. Hidden for decades and once believed lost, the 1,200-year-old manuscript contains Caedmon's Hymn -- a nine .. ...

For years, "yo-yo dieting" has been blamed for wrecking metabolism and causing lasting damage, but a major new review says the fear may be wildly overblown. After analyzing decades of studies in humans and animals, researchers found little convincing ...

Scientists have uncovered a surprising new trick used by one of cancer's most notorious proteins. MYC, already infamous for fueling runaway tumor growth, also appears to help cancer cells survive by repairing their damaged DNA -- including damage ...

Rivers around the world are quietly running out of oxygen -- and climate change is emerging as the main culprit. A sweeping global analysis of more than 21,000 river systems found that nearly 80% have been steadily losing dissolved oxygen over the .. ...

Exercise may be training your brain just as much as your body. Researchers discovered that certain brain cells stay highly active even after a workout ends, and those lingering signals appear to help the body build endurance over time. In experiments ...

Researchers have shown for the first time that malfunctioning mitochondria -- the cell's energy generators -- may directly cause cognitive decline in neurodegenerative diseases. By creating a new tool that temporarily boosts mitochondrial activity in ...

Astronomers have revealed the sharpest image ever captured of a filament in the cosmic web -- the enormous hidden structure connecting galaxies across the Universe. The glowing strand stretches 3 million light-years and links two galaxies from nearly ...