Bread, beer & yeast The history of bread and cake starts with Neolithic cooks and marches through time according to ingredient availability, advances in technology, economic conditions, socio-cultural influences, legal rights (Medieval guilds), and evolving taste.
Devil In The Dark (1967) The Horta was an example of Silicon life.; Now we are really sailing off into terra incognito. "Here be dragons" and all that. But if you have starships, you almost have to have aliens (Isaac Asimov's Foundation trilogy being the most notable exception).