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Sucralose, the artificial sweetener used in Splenda, came under scrutiny after a study found that a related chemical damaged DNA and weakened the gut barrier in laboratory experiments. But later findings have complicated that alarming picture.

Scientists found that the 3D organization of DNA is disrupted in several types of brain cells affected by Alzheimer's disease, altering how important genes are switched on and off. The discovery reveals a previously underexplored layer of the disease ...

A massive worldwide survey of physicists has revealed surprisingly little agreement about some of the universe's biggest mysteries. No majority backed the standard cosmological model, a leading explanation for dark matter, or any single theory of ...

Most men may be missing an important dietary clue about prostate cancer. A new survey found that only 20% knew research has linked dairy consumption with increased prostate cancer risk, while 66% said they would consider avoiding dairy after learning ...

The Indian and Pacific oceans have been climatically linked for centuries, but scientists say that connection is now breaking down in an exceptional way. Ancient climate records suggest volcanoes disrupted the relationship in the past, while today .. ...

Scientists are combining an electron microscope with a quantum computer to squeeze far more information from each electron. The approach could reveal faint details with fewer electrons, helping protect fragile samples that conventional microscopy can ...

Scientists have engineered yeast to turn PET plastic and agricultural waste into ingredients for protein-rich, 3D-printed cookies called µBites. Developed partly for NASA's Deep Space Food Challenge, the system can produce proteins, fats, vitamins, ...

Researchers have experimentally demonstrated the optical Magnus effect for the first time, revealing that a tightly focused laser interacts most strongly with an atom slightly away from the beam's center. The unexpected shift is similar to the ...

AI analysis of 400,000 Reddit posts found that users of drugs such as Ozempic, Wegovy, Mounjaro, and Zepbound reported unexpected symptoms including menstrual changes, chills, hot flashes, and fatigue. Researchers cannot say the medications caused .. ...

A century-old mystery in Venus's clouds just became more intriguing, as scientists calculated how strongly the unidentified material behind its dark ultraviolet patterns must absorb light. The results sharply narrow the possibilities and could help . ...