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Curious CasesSeries 3Episodes Episode guide
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The Strongest Substance
What is the strongest thing in the universe?
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The Portly Problem
What causes middle-aged spread?
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The Space Pirate
Could we live on another planet?
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The Sinister Hand Part 2
How being left-handed affects your brain and behaviour.
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The Sinister Hand, Part 1
What makes people left-handed?
