Quest GiggleWhat is the surface area of the human gut?
30 square metres. Textbooks long claimed a tennis court; careful measuring shrank it to half a badminton court.
How close would your guess have been?
In the game we ask it like this: “How many square metres is the absorbing surface inside your gut?”
Type a number — scored exactly the way a round in the game is.
The answer
30square metres
