The original article that went with the picture spoke of "a new race of amazons" and calls the woman on the right, "Diana", which may be a reference to Wonder Woman (AKA Diana, Princess of the Amazons).
This article is a perfect example of linear extrapolating.. They were like "huh, when you feed people a balanced diet with proper nutrition, they get 3 or 4 inches taller. This trend will obviously continue until people are 10 feet tall in a few generations."
A - it's DC comics for wonder woman
B - often pop culture borrows similar themes, so when an Amazon character becomes popular, other people tend to piggy back