Urobilin
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. A quarter is about thirteen million times wider.
Rap sheet
- Answers to
- Urobilin. Also goes by urochrome.
- Height
- 1.9 nm, standing on end.
- Weight
- 0.98 zeptograms
- Build
- Four rings in a row: heme’s ring of four, snapped open.
- Color
- Yellow. Its precursor is colorless until it meets air.
- Origins
- Old red blood cells, recycled by your liver and your gut bacteria.
- Habits
- Gets darker when you drink less. Same amount, less water.
- Associates
- Stercobilin, a close relative, which makes poop brown.
- Last seen
- A 5 mL tube marked PEE in the fridge at HQ.
of them in a cup of pee, give or take.
Depends whose. You’ve never seen one.
The poster on the street
This is the photocopied wanted poster for Urobilin, No. 55. 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.