The development of homological algebra was closely intertwined with the emergence of category theory.

casting couch: This refers to the alleged practice by some Hollywood producers and directors of furnishing an office with a couch, upon which would-be actresses perform special services in return for casting consideration...

All three clades containing Prunum and “Volvarina” species contain morphological features that do not collectively appear in any other living or fossil marginellid species (see above).

Gore has looked into buying cable channel News World International. Despite initial reports, Gore's camp says he and his backers intend to make the channel not a liberal mouthpiece but a hip news channel. […] Maybe; maybe not. (Gore has long complained about the undue influence of conservatives on talk radio and Fox News, so you do the math.)