Blink Twice to Quell a Quasar: Carl Sagan on Superstition

Growing up in Bulgaria, in a city teeming in stray dogs and cars, I was deeply distressed by the sight of each dead animal in the streets between home and school — deaths I could not prevent and could not bear. To cope with the aching helplessness, I developed a private superstition: If I touched each of the vertical bars on every fence along my walk, no dog would die. Sometimes I ran to touch as many bars as possible in as little time as possible, the impact bruising and callusing my fingers. D...