All material must exist in one of the three forms of matter—a solid, a liquid, or a gas. These are different physical states of being and each form has implications for the substance in question. When we consider chemical substances most can...

Matter can be defined as anything that occupies space. This would include all of the material that makes up our universe. On earth, matter is found naturally in three states, or structures, including solids, liquids and gases. In space, a fourth state...

In the physical sciences, a phase is a set of states of a macroscopic physical system that have relatively uniform chemical composition and physical properties (i.e. density, crystal structure, index of refraction, and so...

We hope you had a great year. If you were loyal to the Yearlong workouts, you're no doubt bigger, stronger, leaner, and more athletic than ever. The final phase in the program aims to help you vanquish all your personal records for size and strength...

The Hershey Co. is halting production of Ice Breakers Pacs in response to criticism that the mints look too much like illegal street drugs, the company's president and chief executive officer said Thursday.Hershey CEO David J. West disclosed the decision during a conference call about...

Pope Benedict XVI called Sunday for life in all its phases to be respected and defended, saying such a fundamental value must accompany any medical advances.Benedict made the comment during a visit to St. Matthew hospital in Pavia, south of Milan, where he met with...

Physicist Albert Einstein came up with an equation E=m.c2 to help explain the relationship between energy and mass. The simplest interpretation suggests that matter can be converted into the energy and energy into matter. The theory helps explain the curious begging of the universe when an enormous of energy became matter.