Episode one: Appearances - Each of these stories suggests that there is more than meets the eye and it's worth taking a second look.

- Prof Mark Thomas on Cheddar Man: Britain's oldest skeleton had dark skin but that's not so surprising as you might think

- Prof Ruth Morgan on Interpretation of Forensics: context influences how evidence is understood

- Prof Dryden Goodwin on Linear: spending time looking, drawing and talking to London underground workers