Several complex fluids such as network forming polymers, surfactant mesophases, emulsions etc do not flow till the applied stress exceeds a specific critical value known as the yield stress. Materials ...

How stress affects the body will differ from person to person. Some people may experience only psychological effects from feeling stressed, while others may also experience physical symptoms, such as ...

Daniela Kaufer is an associate professor at UC Berkeley who studies the biology of stress, examining at the molecular level how the brain responds to anxiety and traumatic events. Her recent findings ...