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 ...

Tear gas tends to be classified as a “chemical irritant,” and the term itself, per the Centers for Disease Control, is often used interchangeably to refer to a variety of substances, including pepper ...

There's something strange about the stained-glass windows of medieval buildings: They tend to be thicker at the bottom than at the top. Many believe this is because glass is actually a liquid that has ...

Imagine you're eating dinner. You try to pour some ranch dressing onto your plate to dip your veggies into. You tip the container upside down, but nothing comes out. Seems like a solid. So you shake ...

Chromatography is a proven method used to separate complex samples into their constituents, and it is undisputedly the most important procedure for isolating and purifying chemicals. It is classified ...