This 1977 animated holiday special features three aliens on a journey to find the true meaning of Christmas. And a pet goose. Peter is a writer and editor for the CNET How-To team. He has been ...

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Molecular evolution is the area of evolutionary biology that studies evolutionary change at the level of the DNA sequence. It includes the study of rates of sequence change, relative importance of ...

Molecular modelling encompasses all theoretical methods and computational techniques used to mimic and study the structure and behaviour of molecules, ranging from small chemical systems to large ...

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Illustrations by the artist from The Age.