Did you know that the typical stress-strain curve obtained from a uniaxial tensile test is just an approximation? It doesn't consider the fact that the dimensions of the test specimen change ...

WASHINGTON (Reuters) - Teen-agers who claim that stress makes them break out are telling the truth: The stress of taking an exam can make pimples worse, researchers reported on Tuesday. Sign up here.

Adolescence can be characterized as a period of development, experimentation, and discovery. However, for the majority of teenagers, it is also a period with added stress. School pressures, social ...