Nils Ryde and Astronomy Free People Check 

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Fluorine Used In Toothpaste Formed In Dying Stars - Redorbit

www.redorbit.com
According to Nils Ryde, a reader in astronomy at Lund, the new research indicates that “fluorine in our toothpaste originates from the sun's ...

Toothpaste fluorine formed in stars - Phys.org

phys.org
Aug 21, · "So, the fluorine in our toothpaste originates from the sun's dead ancestors", said Nils Ryde, a reader in astronomy at Lund University Toothpaste fluorine formed in stars (2014, August
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