Why Do We Sometimes Need to Scratch?
Why Do We Sometimes Need to Scratch? One of the commonest causes of an itchy skin is an allergy. The word was coined in 1906 by Professor Clemens von Puquet of Vienna...
Read MoreWhy Do We Sometimes Need to Scratch? One of the commonest causes of an itchy skin is an allergy. The word was coined in 1906 by Professor Clemens von Puquet of Vienna...
Read MoreWhen Was the Iron Lung Invented? In 1670, English scientist John Mayow came up with the idea of external negative pressure ventilation. Mayow built a model consisting...
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