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