Entertainment
Monty Don bids 'final goodbye' to Gardeners' World after two decades
The head gardener on the long-running BBC TV series signed off from Longmeadow garden on Friday.
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Goodbye
Health
Goodbye, cavities? Scientists create gel that could regrow tooth enamel
Scientists have developed a revolutionary gel that could regrow lost tooth enamel by harnessing minerals naturally found in saliva, potentially overcoming one of dentistry’s biggest limitations. The regenerated enamel behaves much like healthy enamel, raising hopes for a simple treatment that could repair damaged teeth, prevent decay, and reduce sensitivity.