NPR's Ayesha Rascoe plays the puzzle with KUER listener Elisabeth Larsen and Weekend Edition Puzzlemaster Will Shortz.

So, although the reported compound bears some similarity to other metal complexes of annulenes, it is the first example of a distinct class of organometallic compounds.

According to Guinness World Records, the longest word in any language is a "compound 'word' of 195 Sanskrit characters (transliterating to 428 letters in the Roman alphabet) describing the region ...

A compound sentence generally joins two simple sentences together. You can use words such as 'and', 'or' and 'but' to join the ideas. These are called connectives.. For example: It was cold but we ...