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.
Slave insurrections were not really new to Rome. Extreme cruelty to slaves had sparked a revolt on the island of Sicily in 135 bc. More than 70,000 slaves had taken up arms and effectively battled local militia until a Roman army triumphed over the rebels two years later.