contingency

To completely tell the story of something, you have to talk about something other than the thing itself.

To completely tell the story of a sub-atomic particle, you have to talk about the atom.

To completely tell the story of a living cell, you have to talk about the cellular organism it is a part of.

To completely tell the story of a tree, you have to talk about rain, soil, wind, sunlight, etc.

To completely tell the story of a human, you have to talk about their parents.

To completely tell the story of a website, you have to talk about the internet.

To completely tell the story of the scientific method, you have to talk about regularity and the desire to know.

To completely tell the story of the earth, you have to talk about (presumably) the sun.

To completely tell the story of the sun (and our solar system), you have to talk about the milky-way galaxy.

To completely tell the story of our galaxy, you halve to talk about the universe.

To completely tell the story of our universe, you have to talk about something other than our universe.