Hot and Cold - Suppose you have three identical Dewar flasks labeled A, B, and C. (A Thermos is a Dewar flask.) You also have an empty container labeled D, which has ther...
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'The purple-rumped sunbird ... builds elaborate pear-shaped nests with a distinctive entrance roof over the entry hole. The nest is constructed from spider webs and other naturally-occurring soft fibrous materials, it is finished off with little chips of bark'.
A man should swallow a toad every morning to be certain of not encountering anything more disgusting in the course of the day. Nicholas de Chamfort