Epic Quest Bio The case files
Case No. 7 · have you seen this molecule?

Vitamin B12

made only by microbes

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

Vitamin B12, front view, against a height chart in nanometers
FRONT
Vitamin B12, side view
SIDE · CID 6474320

The suspect, from its real atomic coordinates. Drag to turn it. Height chart in nanometers, ruled every 0.1 nm. A fingernail grows that far in about a second and a half.

Rap sheet

Answers to
Cobalamin, to its friends.
Height
1.9 nm. Nearly as wide as it is tall.
Weight
2.6 zeptograms. Three times any other vitamin.
Build
The most complicated of all the vitamins.
Color
Deep red. Milk covers for it.
Marks
A cobalt atom at its heart, held on all six sides.
Habits
Only microbes make it. Cows get theirs from the ones in their stomachs.
Last seen
A 5 mL tube marked MILK in the fridge at HQ, away from the window: light knocks its hat off.
1,200,000,000,000,000

of them in a pint of milk, give or take.
You’ve never seen one.

The poster on the street

The wanted poster for Vitamin B12

This is the photocopied wanted poster for Vitamin B12, No. 7. 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.