Video by joannelovesscience
Ever wondered what the difference is between waterproof mascara and regular mascara? In this video, Joanne Manaster tests three types of mascara onto three real hair bristle paint brushes and discusses the water soluble properties of each.
You can watch more videos on the science of beauty at Joanne Loves Science.
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For every gallon of sea water, you get more than a quarter pound of salt.
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
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