Historian James Burke walks the viewer through the tenuous threads of history that link seemingly obscure scientific breakthroughs and the events and products that exist today.

Sequel series to the 1979 "Connections" where historian James Burke walks the viewer through the tenuous threads of history that link seemingly obscure scientific breakthroughs and the events and products that we have today. For example, why the winner of the Le Mans owes his victory to photography or what do police detectives, billiard balls, clear glass and Darwin have to do with each other.—Maestro-1