Hemocyanin
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 0.5 nm. A nanometer is about how far a fingernail grows in a second.
Rap sheet
- Answers to
- Hemocyanin: “blood blue.” Lives up to it.
- Height
- 7.5 nm, and that’s one of 48 pieces.
- Weight
- 120 zeptograms. All 48: 5.6 attograms.
- Color
- Blue with oxygen. Colorless without, as here.
- Marks
- Two copper atoms per piece hold each oxygen.
- Habits
- Floats loose in the blood. Drops its oxygen in a tenth of a second.
- Associates
- Spiders and scorpions. Horseshoe crabs aren’t crabs.
- Last seen
- A 5 mL tube marked CRAB in the fridge at HQ.
of them in a teaspoon of horseshoe crab blood, give or take.
48 pieces each. You’ve never seen one.
The poster on the street
This is the photocopied wanted poster for Hemocyanin, No. 96. 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.