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25/08/2011
Why does bacon comes in rashers but everything else in slices?
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18/08/2011
Stewart Henderson looks into why the swallow sometimes flies high and sometimes low.
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11/08/2011
The mystery of the maze and why ancient settlements end up underneath us.
![](https://ichef.bbci.co.uk/images/ic/320x180/p01lcjf4.jpg)
04/08/2011
Stewart Henderson finds out why tea and coffee pots are different shapes.
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28/07/2011
Stewart Henderson ponders the universal appeal of the protest chant.
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21/07/2011
Stewart Henderson explores the musical heritage of tin mining, plus collective nouns.