Amelia Earhart teaching students in Newark, New Jersey (© Bettmann/Getty Images)

Elephant hawk-moth on foxglove flower (© David Chapman/Alamy)

nikitonsky: Why just 7? Why not 14 or 100 or, you know, until the end of time? Are computers not powerful enough to do that? What’s the motivation here? And please don’t tell me it’s secure

nikitonsky: Why do numbers go backwards? Is next earlier or later comments? Is it bigger or smaller numbers? So many questions