The nanoscale meaning billionth of a meter in scale is an area of research scientists are looking towards to learn about material structure and application in medicine and electronics.
A new ice cream shop opens up in town, and Brain does not trust their whimsically-named flavors. When he suspects that their flavors are using fancy names to obscure the classic flavors, he takes matters into his own hands with an investigation.
Venus gives Arnold a 2-minute lesson on the atom. He makes allusions to inner city life (gangs, the neighborhood, etc.) to explain the different parts of the atom in a highly relatable manner.
Neil deGrasse Tyson explains radioactive decay. He explains how we can determine the age of a rock using meteorites and illustrates that atoms undergo nuclear transmutations over time until they become stable elements.