Take the way we go about buying a new car. We identify an auspicious date and time, then proceed to break a coconut, plonk a plastic deity of Ganesha on the dashboard, and zoom off at great speed, refusing to wear our seatbelts. Supposedly educated, smart and tech-savvy, Indians can be surprisingly unscientific in their daily lives. Think of the crores spent every year remodelling homes according to vaastu, in the hope of changing luck; and the continued horrors ...