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July 19, 2025
Editor in Chief Nancy Shute reflects on the renewed specter of nuclear conflict to record-breaking heat driven by human-caused climate change.
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May 30, 2012
Shaahin Amini was ready to quit. The Ph.D. student at the University of California, Riverside's Bourns College of Engineering had spent three hours looking into a microscope scanning a maze of black-and-white crosshatched lines, tubes and beads made of nickel, aluminum and carbon magnified 3,800 times.
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March 1, 2012
University of North Carolina at Chapel Hill researchers tap into the body's own repair system to protect heart cells after an attack.
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May 15, 2012
Observations with NASA's Chandra X-ray Observatory have provided the first X-ray evidence of a supernova shock wave breaking through a cocoon of gas surrounding the star that exploded. This discovery may help astronomers understand why some supernovas are much more powerful than others.
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July 7, 2022
The LZ experiment’s first measurement raises hopes that scientists are closer than ever to finding the source of much of the universe’s mass.
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June 18, 2025
Court ruling allows interim nuclear waste storage in Texas, but the U.S. still has no long-term plan for its 90,000 metric tons of spent fuel.
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March 29, 2023
The realization that people have long eaten putrid foods has archaeologists rethinking what Neandertals and other ancient hominids ate.
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February 19, 2012
In a standard biology textbook, cells tend to look more or less the same from all sides. But in real life cells have fronts and backs, tops and bottoms, and they orient many of their structures according to this polarity explaining, for example, why yeast cells bud at one end and not the other.
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March 18, 2012
Common wisdom has it that protons only travel between molecules via hydrogen bonds: no hydrogen bonds, no proton transfer. Scientists at Lawrence Berkeley National Laboratory's Advanced Light Source and their colleagues at the University of Southern California investigating molecular components of RNA were surprised to find that protons can find ways to transfer even when hydrogen bonds are blocked. The discovery may open new opportunities for research in biology, environmental science, and…
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