Researchers have developed a teeth-whitening powder that works with the vibrations of an electric toothbrush to safely remove stains. Unlike traditional whiteners, it not only brightens teeth but also repairs enamel and supports healthy oral bacteria. Lab tests showed dramatic whitening effects, while animal studies revealed reduced harmful microbes and inflammation. This could pave the way for a new generation of at-home dental care.
source https://www.sciencedaily.com/releases/2026/03/260323005538.htm
The 'private solution trap': Why richer countries may favor adaptation over
public solutions, and who pays
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A new study, led by the University of Nottingham and conducted by a team of
72 economists and psychologists across the world, has identified a
potential "p...
9 hours ago
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