Heat transfer is the physical act of thermal energy being exchanged between two systems by dissipating heat. Temperature and the flow of heat are the basic principles of heat transfer. The amount of ...

Reaction kinetics describes rate dynamics in chemical and biological systems. It allows for the experimental determination of reaction rates, from which rate constants may be estimated, in order to ...

The fight-flight-freeze response is an automatic stress response that protects you from perceived threats by helping you fight, flee, or stay still. Adrenaline and cortisol trigger fast body changes ...

Anxiety is both a mental and physical state of negative expectation. Mentally it is characterized by increased arousal and apprehension tortured into distressing worry, and physically by unpleasant ...

Add Yahoo as a preferred source to see more of our stories on Google. MLB 26-and-under power rankings: Evaluating the young talent in each organization, starting at the bottom with the Rockies AFC ...