http://news.bbc.co.uk/2/hi/science/nature/6321351.stm
- Video on research explanation
How do they defend their thesis?

http://news.bbc.co.uk/2/hi/science/nature/6320515.stm
- how has advancement in technology improve experimentation?

How are the scientific findings supported? Implications?

http://www.onlineopinion.com.au/view.asp?article=5457
- what are some potential areas where the experiment/s carried out are biased? Are the errors purely scientific?