In ancient Rome, lead poisoning was a prevalent disease amongst the wealthy because of their extensive use of lead. Many Roman women died because of lead poisoning caused by the use of make-up that contained lead.

Psychokinesis refers to the ability of moving objects through psychic power.

Erosion at the base of Niagara Falls (USA) undermines the shale cliffs and as a result, the falls have receded approximately 7 miles over the last 10,000 years.

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