Pick one of the following and either plan or write an essay about it.  

1. The history of the microscope

2. Are viruses alive?

3. Does the theory of endosymbiosis explain the origins of life?

4. Why does cholesterol get such a bad press when it is essential for cell formation?

You should aim for no more than 2 sides of A4 if you choose to write the essay.  Please list any books, journals and/or websites you use during your research.  You can include images too if they help support your work.