The end of the world could be upon us if some religious premonitions are to be believed. This week sees the beginning of a cosmic phenomenon which some Christians have linked to the end of days. A ...

The Dark Tetrad, also known as the Dark Quad, is a set of interrelated negative personality features: narcissism, psychopathy, Machiavellianism, and sadism. The term expands on the Dark Triad ...

A study of Pakistan's banking sector reveals a troubling link between the "dark tetrad" personality traits of Machiavellianism, narcissism, psychopathy, and sadism, and a toxic workplace. The work, ...

Tuesday’s Full Moon eclipse is part of a relatively rare event known as a “Tetrad,” a series of four total lunar eclipses in a row. While eclipses are not uncommon (we typically see two pairs of ...

For people in the United States, an extraordinary series of lunar eclipses is about to begin. The action starts on April 15th when the full Moon passes through the amber shadow of Earth, producing a ...