A two-way mirror, also called a one-way mirror, is a pane of glass that acts like a regular mirror on one side while allowing someone to see through from the other side. It’s commonly used in ...

The anion gap blood test measures the acid-base and electrolyte balance in the blood. Results can show whether there is an imbalance in a person’s pH levels, which may be making the blood too acidic ...

Researchers report that mice display behavior that resembles self-recognition when they see themselves in the mirror. When the researchers marked the foreheads of black-furred mice with a spot of ...