Rather both light and matter behave in their own inimitable manner.
This describes the world we experience, used (for example) to describe how matter and energy behave at the molecular scales of quantum mechanics.
Schrödinger was trying to imagine how matter behaves when it begins to disappear into energy.
From the near vacuum of outer space to the intense pressure at a planet's core, matter behaves differently at different levels of stress.
The dark matter is behaving much like an infectious agent.
In this world, matter and energy behave in ways that seem counterintuitive.
At temperatures just above absolute zero, matter can behave in many bizarre ways.
Superfluidity is a state of matter in which the matter behaves like a fluid with zero viscosity.
The next great milestone in understanding how matter behaves at extreme cold temperatures occurred in 1933.
Otherwise how is it decided how matter shall behave?