Dr. Cheever and Alan debate the severity of the virus and the steps taken to investigate it. Alan suspects that Dr. Cheever's organization is hiding knowledge because of a Facebook posted written by one of the organization's members. Alan then describes to the public an R0 of two. He indicates that the virus will grow at an exponential rate of 2, infecting a billion people within three months.
Charlie explains radiocarbon dating and how it is used to calculate the approximate age of an object. To make his explanation more concrete, he uses an analogy involving a refrigerator and the number of ice cubes in it.