We all know from middle school science class that matter changes between a solid, a liquid, and a gas when you change the temperature or pressure acting on it. (Yes, some elements will change directly ...

Part of Physics (Single Science) Unit 1: Density and kinetic theory In everyday life, there are three states of matter - solids, liquids and gases. The differences between the three states are due to ...

At the critical point at which differences between liquid and gas seem to disappear, things are remarkably simple. When you purchase through links on our site, we may earn an affiliate commission.

Water may seem boring, but it's way weirder than it looks. Scientists in Japan have now shown that when confined to tight spaces, water molecules can behave like both a solid and a liquid ...

Researchers report that the way a tissue's cells are arranged can serve as a fingerprint for the tissue's 'phase' -- whether it is more like a solid, liquid, or gas. For example, tumors that are more ...