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TIL portable refrigeration was made possibly by Frederick McKinley, a black inventor. His invention allowed the transport of perishable goods across large distances. His inventions were also widely used during World War 2 to preserve medicine, blood, and food for use at hospitals on the battlefield.

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XEkVk TIL Robert Frost's "A Road Less Traveled" was intended to be a humorous jab at an indecisive colleague. The poem's intent was to convey how both paths are basically the same with the same outcome, so you should just select one randomly and get the fuck on with it already.
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