Michael Logan is an experienced writer, producer, and editorial leader. As a journalist, he has extensively covered business and tech news in the U.S. and Asia. He has produced multimedia content that ...

Origins: In the 18th century, mercury salts were used to make felt for fancy hats. The process required copious amounts of the element, a substance then not understood to be as dangerous as we now ...

Since 1865, when “Alice in Wonderland” was published, readers have quoted and parsed his every utterance. He’s called simply the Hatter in “Alice” and Hatta in “Through the Looking-Glass,” but we know ...