The equipartition theorem states that a particles' kinetic energy-the energy it possesses due to motion-is determined only by its temperature, not its size or mass.

The size and width of a dog's head accurately predict the strength and running ability of the canine, according to a paper in the latest issue of the journal Behavioural Processes.

Elastic productivity is an important index to evaluate the elastic production of reservoir in development initial stage and analyse the power of driving.