How Big Can a Nuke Get?

Summary
Mark and Ethan start the video off by exploring the destructive capabilities of nuclear weapons, which included an excerpt from Kurzgesagt's video regarding nuclear warheads, followed by Baby Maps (a webpage that shows a world map of how many babies are born every second in each country) and Life Stats (a webpage showcasing how much the world has changed in statistics between the current date and the date of the user's birth) from Neal.fun website.

Trivia

 * The video's outro timer ends on a white canvas instead of the usual black to emphasize on Mark's final words in the video about making a brighter future.