Or have the physical properties of dark energy, whatever it is, changed?

What I have talked about is a physical property of the material.

As a result its physical properties are not definitely known.

The influence is the physical property but not the chemical one.

It can be found by the critical point and the physical properties of a gas.

Members of each family have very similar chemical and physical properties.

Let's list out some physical properties of ethanol and water.

Most of their other physical properties are intermediate in nature.

Is the news here that culture may change the physical properties of brains?

The effect of physical properties is in this case much more pronounced.