Obscene Hand Gestures Around the World

Source: http://thumbnails.visually.netdna-cdn.com/rude-hand-gestures-from-around-the-world_533926556232e.png

Scientific tips for studying

Relativism in Art

The Four Horsemen [Documentary]

Understanding Money

https://www.youtube.com/watch?v=5fbvquHSPJU

Incivility at Work

The Genetics of Politics

Twelve Virtues of Rationality

http://www.yudkowsky.net/rational/virtues/

Analysis of the Economic Situation in Greece

http://www.filmsforaction.org/watch/a-science-of-teaching-2015/

Albert Einstein – On Socialism

Why Socialism?