Brushing without rinsing significantly improves enamel condition, — study
Usually, people are used to the fact, that brushing their teeth is a standard morning and evening procedure, that takes just a few minutes and does not cause any difficulties.
Reusable jelly ice made of water and gelatin does not melt and takes shape
American scientists from the The University of California, Davis, has created a new type of ice, that leaves no residual water behind, but cools just like regular ice.
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