Should one feel gloomy for being so small within the cosmos?  Photograph: Reuters/Nasa

Astronauts looking down on the “pale blue dot” where we live have commonly reported a kind of epiphany known as the “overview effect”. From space, the(...)

Photograph: Thinkstock

Scientific discovery can make human affairs on this planet seem awfully trivial. The discovery of the Higgs boson particle, for example, has led to f(...)