By Dan Torre 

By Nicola Humble 

By Lisa Morton 

By Desmond Morris 

By Becky Sue Epstein 

By J. David Archibald 

By Andrew Dalby 

By Constance L. Kirker 

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By Vicky Lebeau 

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By Rachel Dwyer 

By Blake Stimson 

By Keith D. Lilley 

By Linda Simon 

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By Giulia Miller 

By Paul Gladston 

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