This does not have to be restricted to 'hard' science, because political researchers are the worst habitual offenders. Archaeology, economics and market research are other areas where cause and effect is important, so should provide some excellent examples of how to establish cause and effect.
One such story is that of Nero merrily playing the fiddle while Rome burned in the Great Fire of the first century. It was during the night of the 18 th July 64 AD, when a fire broke out in the merchant area of the city.
The Sigillaria - held on the 23 December - was a day of present-giving in ancient Rome. During the Saturnalia, wax tapers and torches were lit - in a similar way to our advent candles. Over-eating, gambling, drinking, singing and sharing witty tales were all part of Saturnalia celebrations.