Samuel Taylor Coleridge called metaphor “an act of the imagination,” whereas he relegated simile to “an act of fancy.” Photo from National Portrait Gallery, 1795. Public Domain Samuel Taylor Coleridge ...

"Narcissus" by Caravaggio (c. 1598). Source: Wikimedia Commons/Public Domain What is an allegory? An allegory (Greek, "a speaking about something else") is a complete and cohesive narrative, for ...

Here at Science Friday, we’re big fans of metaphors. They can make complicated scientific concepts easier to understand, for both non-experts and scientists themselves. For example, “the big bang” ...