Scientists Find How Stress Turns Your Hair Gray

Researchers establish a link between stress and hair graying.  Under stress, sympathetic nerves release the chemical norepinephrine, which plays a major role in stress-induced hair graying.  Stress can have several adverse effects on the body. One...

12 Smallest Things In The World

From a human’s perspective, small can be anything from a single cell organism to miniature replicas of much larger things. We once thought that atoms were the building blocks of everything around us. But then, the protons, electrons, and...

A New Formula For Measuring Hawking Radiation

Physicists develop an analytical formula for measuring Hawking radiation on the black hole’s event horizon.  It will help scientists test the accuracy of different quantum gravity theories.  In 1975, Stephen Hawking published a theory stating...

Can There Be An Easy Alternative To Exercise?

Scientists study a type of naturally occurring protein known as Sestrin.  It can mimic various effects (benefits) of exercise.  The experiments with mice and flies have shown that Sestrin upregulation mimics both molecular and physiological effects...