Multiple countries including the United States called Monday for a worldwide ban on mercury-based dental amalgams by 2030, at ...
Australia supplies 74% of the world's zirconium reserves, critical for nuclear fuel rods and hypersonic missiles. Chinese ...
New Scientist on MSN
Cavities could be prevented by a gel that restores tooth enamel
Enamel does not naturally regenerate, which can lead to painful cavities, but a gel that harnesses some of the properties of saliva could restore the hard, shiny layer to teeth ...
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