7 October 2018

The Case of the Zinc in the Toothpaste

Is there enough zinc in my toothpaste? Polarizing Agent comes to the rescue.

In a technique called dynamic nuclear polarization (DNP), scientists use compounds called polarizing agents to make hard-to-find atoms easier to locate, which helps them solve many kinds of science secrets faster and better.

Illustration by CAROLINE MCNIEL

DNP Magnet Mysteries

Last modified on 5 October 2018