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Coffee plants can be propagated by grafting a shoot onto the rootstock of another plant sirichai_asawalapsakul/G​etty Images The ancient trick of grafting one plant onto another could find a very modern use – enabling gene editing of plants that are very difficult or impossible to edit by other means. “It is still at the beginning…

Scientists at Weill Cornell Medicine have identified a surprising culprit that may contribute to dementia: free radicals generated in a particular region of brain support cells known as astrocytes. The study, published Nov. 4 in Nature Metabolism, found that blocking this specific site reduced inflammation and protected neurons. The results point toward a promising new…

Scientists have developed a new material that forms a gel capable of repairing and regenerating tooth enamel, paving the way for more effective and longer-lasting dental care. Researchers from the University of Nottingham’s School of Pharmacy and Department of Chemical and Environmental Engineering created a bioinspired compound designed to restore enamel that has been eroded…

AFP via Getty Images Prince William with Kylie Minogue at the awards ceremony The Prince of Wales has revealed the five winners of this year’s environmental Earthshot Prize, calling them an “inspiration that gives us courage”. Prince William said their work was “proof that progress is possible” during Wednesday evening’s awards ceremony in Rio de…

In a major step toward improving cancer treatment, researchers at Northwestern University have redesigned the molecular structure of a widely used chemotherapy drug, making it far more soluble, potent, and less toxic to the body. The scientists built a new form of the drug using spherical nucleic acids (SNAs), a type of nanostructure that embeds…

Memory problems may not be an unavoidable part of getting older. New findings from Virginia Tech reveal that age-related memory loss stems from specific molecular changes in the brain, and that fine-tuning these processes can help restore memory function. In two complementary studies, Timothy Jarome, an associate professor in the College of Agriculture and Life…

The Tycho supernova remnant NASA/CXC/RIKEN & GSFC/T. Sato et al; DSS It’s widely been thought that our universe is expanding at an ever-accelerating rate. But could we have that wrong? That is what a group of scientists from South Korea has claimed in a new paper, but other scientists have cited major concerns with the…