For centuries, people all over the world have told stories about ghosts. In many cultures, the dead are believed to come back in spirit form. Some believe ghosts live in old houses. Others think they ...

A microscopic clump of sodium has become the largest object ever to be observed as a wave, improving upon previous records by thousands of atoms. Quantum physics defines particles in terms of waves, ...

Today, hair color is no longer simply a matter of style; it is an expression of individuality. Across India, women are ...