Nerd Candy

221 Pins
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Tears Aren't Just Water - They're primarily made up of water, salts, antibodies, and lysozymes, but the composition depends on the type of tear. There are three main types: basal tears, reflex tears, and weeping tears. They look incredibly different when evaporated and viewed under a microscope. photos by Rose-Lynn Fisher
James madison. George washington. Congress. Democracy. America. 1700s. Early america. Letters