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...Open University professor John Zarnecki - a man who knows a thing or two about space, and has met an astonishing proportion of the people who have been there - for his response. It's fair to say Trevor Beattie might find himself being blasted into orbit slightly sooner than Richard Branson could manage: What arrant (utter, complete) arrogance to suggest that scientists...

...resources and qualifications by visiting The Open University – www.open.edu/ openlearn/ free-courses...Week 3: Using biological keys for species identification: Introduction - It is important to know how many species there are, but it can be difficult to determine this number as species can be tricky to identify. Accurate identification is a necessary prerequisite for...