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Origin of the confirmed theory
For 20 years, biologists knew matching DNA duplexes could pair up despite carrying identical negative charges, but no one had seen how. Researchers at the universities of York and Sheffield now have: metal ions, including nickel, magnesium, and calcium, nestle into the helices' grooves and zip them together, groove for groove.
Updated Yesterday
Developed the AI ECG tool
An AI tool developed at Imperial College London can spot heart failure and heart valve disease from a standard electrocardiogram (ECG), a test that has been in clinical use for a century. In a trial of 67,000 US patients, it flagged up to 81 percent of heart failure cases and 90 percent of valve disease cases — in under two seconds.
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