Scientists have identified a possible tipping point that helps determine whether Alzheimer’s-related brain changes lead to dementia. The key may lie...
Giant sequoias are built to withstand ordinary fires, but recent extreme wildfires killed thousands of trees that had survived for centuries or even...
Researchers say a tiny one-eyed ancestor that lived nearly 600 million years ago may have shaped the evolution of every vertebrate eye, including our...
Recycling, greener diets, and other personal climate choices do not seem to distract people from supporting major environmental reforms. A four-year...
Even mild inflammation during pregnancy led mouse offspring to develop persistent brain overactivity, sensory sensitivity, repetitive behaviors, and...
An experimental pill prevented a measles-like virus from spreading through the air or through close contact in ferrets. It worked when given shortly...
The longevity-linked APOE2 gene appears to protect brain cells by reducing DNA damage and helping neurons recover from stress. The finding could open...
Ozempic, Wegovy, and similar drugs may deliver excellent health value, but covering them for millions of eligible patients could overwhelm insurance...
A newly identified fossil ape from northern Egypt is reshaping ideas about where the ancestors of modern apes first emerged. Analyses place it closer...
China’s Tianwen-1 orbiter captured a faint but remarkable view of 3I/ATLAS as the interstellar comet raced past Mars. The images reveal its tail and...
Researchers in the Gulf of California have documented a dramatic orca behavior never described before. In two separate encounters, one orca gripped a...
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