Problem
Read the article "Copper's Virus-Killing Powers Were Known Even to the Ancients" and the paper "Metallic Copper as an Antimicrobial Surface". Practice your close reading skills and answer the questions below.
In the study at the Selly Oak Hospital, the control surfaces and copper surfaces were switched. Why do you think they did that? What was the reduction in microbes on copper surfaces compared to the control surfaces? The study employed "aged" surfaces, what are aged surfaces and why is that important? (Answer all three questions!)