Galton’s claim that fingerprints are unique is almost universally accepted despite using less than one hundred samples for his initial investigation and statistical methods that are not entirely convincing.

Heightened land erosion, caused by human activity, has many negative effects including the following: algae blooms, coral reef destruction, imbalance of the fish population, and the introduction of harmful chemicals to the ocean's environment.

Stress-induced amnesia is a rare phenomenon; it strikes the patient apparently without warning and the memory loss can be as complete as that induced by physical trauma.