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Extra SensesEpisodes Episode guide
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5. Insides
5/5Graham Easton finds out how he controls his bodily functions.
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4. Temperature
4/5Graham Easton looks at the relevance of body temperature.
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3. Time
3/5Graham Easton finds out why humans are obsessed with time.
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2. Balance
2/5Graham Easton asks what happens if balance systems go permanently astray.
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1. Pain
1/5Graham Easton visits a pain research lab to learn why some things hurt more than others.
