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...introduction to this album. How families have evolved What happens when you apply Darwin to human social structures? Ruth Mace explains the value of this approach. Dismantle the family with Darwinian tools The comparative method can be used to investigate how culture relates to environment. The reproductive pattern of human females is a particularly interesting puzzle for...

...introduction to this album. A Darwinian approach to language What happens when you apply Darwin to the development of language? Mark Pagel and Quentin Atkinson explore the parallels. Conservation and diversification In the tree of Indo-European languages, some words are remarkably similar across several languages, whilst many other words are remarkably different....

...introduction to this album. Photoelasticity A technique that allows us to visualise the magnitude of stress occurring inside a material. Testing Materials: Beam Measuring the response of the material to an applied load. Drilling holes The method for measuring the residual stress profile near the surface of a sample when drilling a hole. Plane Strain Examining the...