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Molecular motors have critical roles in trafficking of organelles and macromolecules within the cytoplasm, and aberrant motor function has been implicated in diseases such as neurodegeneration.

Disruption to myelin contributes to the symptoms of numerous devastating conditions of the nervous system, including the demyelinating disease multiple sclerosis,

DNA fingerprinting has become an indelible part of society, helping to prove innocence or guilt in criminal cases, resolving immigration arguments and clarifying paternity. Its inventor, Professor Sir Alec Jeffreys, University of Leicester, looks back at how it began.