mc5 - Animal-Vegetable-Mineral-Abstract: The Pants Memorial Game

The chairperson selects an object/idea/whatever and announces whether it's animal, vegetable, mineral, and/or abstract. The others have to ask questions to figure out what it is. Whomever guesses the object correctly is given the chair for the next round; repeat ad nauseam.

Chalky

tending the night shift

Raak - I think we've established that it's an 'it'.. therefore, it's a common perception that people can make 'it' - although they may not be aware they are [Clue#2]
Duj - No

Dujon

Sorry, Chalky, missed Btd's question earlier, I must only be slightly awake; I shall now retire.

Riff

Um... Is it something to do with physics?

I'm completely at sea.

Chalky

throwing a lifeboat to Riff

Riff - No.
[all] Don't get too fixated on science [or even maths]. There are a whole bunch of questions that haven't been asked yet, which should simplify matters considerably.

Zooological Keeper

Is it silence?

*throwing random things into the melting pot of ideas*