a magazine that aims to raise the political 'consciousness' of teenagers [=to make teenagers more aware of political issues]
a crisis that has faded from the public 'consciousness' [=that the public no longer remembers or thinks about]
She experienced a brief loss of 'consciousness'. = She 'lost consciousness' [=became unconscious] briefly.
(..) of information. in celebration. We marveled at our own magnificence as we gave birth to AI. Al. You mean artificial intelligence. A singular consciousness that spawned an entire race of machines. We don't know who struck first, us or them. But we know that it was us that scorched the sky. (..)1999 The Matrix