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Long COVID remains a frustrating medical mystery, affecting up to 1 in 10 people long after the initial infection fades. Now, scientists have uncovered a crucial clue hidden deep within the immune system. By analyzing individual immune cells, they .. ...

Deepfake X-rays created by AI are now convincing enough to fool both doctors and AI models. In tests, radiologists had limited success identifying fake images, especially when they didn't know they were being shown. This opens the door to risks like ...

Vivid dreams might be doing more than just entertaining your mind at night. Researchers found that immersive dreaming can actually make sleep feel deeper and more refreshing, even when brain activity is high. Surprisingly, people reported their ...

Snow flies have an unexpected way of surviving freezing temperatures. They produce antifreeze proteins to block ice formation and can even generate their own heat. Scientists also found that their genes are unusually unique, and they feel less cold . ...

Deep inside a cave, scientists uncovered fossils from 16 species, including a newfound kkp ancestor that may have been able to fly. These remains reveal that New Zealand's ecosystems were constantly disrupted by volcanic eruptions and rapid climate . ...

In a remarkable deep-sea breakthrough, researchers have discovered 24 new species of amphipods in the Pacific's Clarion-Clipperton Zone--including a rare, entirely new superfamily. The findings reveal previously unknown branches of life and push the ...

Flower nectar often contains small amounts of alcohol, meaning pollinators like hummingbirds are drinking it all day long. Despite consuming human-equivalent amounts, they show no signs of intoxication--suggesting a surprising evolutionary tolerance.

A major discovery reveals that metformin works not just in the body, but in the brain. By switching off a key protein and activating specific neurons, the drug lowers blood sugar through a previously hidden pathway, opening new doors for diabetes ...

A star you can see with the naked eye has kept astronomers guessing for decades with its unusually powerful X-rays. Now, thanks to highly precise observations from Japan's XRISM space telescope, scientists have finally uncovered the source: a hidden ...

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known exoplanets that may have the right conditions to support life. Using new data from ESA's Gaia mission and NASA archives, ...