Rebaudioside A
File sealed
The detectives are still writing this one up. The poster and the facts are below; the film and the interrogation room open soon.
Booking photographs


The suspect, from its real atomic coordinates. Drag to turn it. Height chart in nanometers, ruled every 0.1 nm. About 40,000 of them end to end would span the width of a human hair.
Rap sheet
- Answers to
- Reb A, to the trade.
- Height
- 2.1 nm, sugars and all.
- Weight
- 1.6 zeptograms
- Build
- A stiff four-ring core wearing four glucose molecules.
- Taste
- About 240 times sweeter than sugar.
- Habits
- Rings your sweet receptor, then two of your 25 bitter ones.
- Origins
- Stevia leaves, from Paraguay and Brazil.
- Associates
- Yerba mate, which the Guaraní have sweetened with it for centuries.
- Last seen
- A 5 mL tube marked STEVIA in the fridge at HQ.
of them in an ounce of dried stevia leaves, give or take.
Leaves vary. You’ve never seen one.
The poster on the street
This is the photocopied wanted poster for Rebaudioside A, No. 72. They were made for noticeboards around Boston, Cambridge and the rest of the east coast.
Found one? Scan its QR code with your phone. If you're a signed-in player, the sighting goes on your record with +1 XP.
Not a player yet? Join the Epic Quest: the real role-playing game of Molecular Reality, a nanopore lab, with the CEO as gamemaster.