Epic Quest Bio The case files
Case No. 41 · have you seen this molecule?

Beta-carotene

the orange in carrots

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

Beta-carotene, front view, against a height chart in nanometers
FRONT
Beta-carotene, side view
SIDE · CID 5280489

The suspect, from its real atomic coordinates. Drag to turn it. Height chart in nanometers, ruled every 0.1 nm. A large carrot is about sixty million times longer.

Rap sheet

Answers to
Beta-carotene. Named after the carrot.
Height
3.0 nm, standing up straight.
Weight
0.89 zeptograms
Color
Orange. Hides in green leaves until fall.
Marks
Eleven double bonds in a row. They make the orange.
Associates
Lycopene, the red in tomatoes. Same atoms, until plants curl its ends into rings.
Habits
Cut in half, it makes two vitamin A.
Origins
Carrots were purple or yellow for centuries before orange.
Last seen
A 5 mL tube marked CARROT in the fridge at HQ.
25,000,000,000,000,000,000

of them in an 8 oz glass of carrot juice, on average.
You’ve never seen one.

The poster on the street

The wanted poster for Beta-carotene

This is the photocopied wanted poster for Beta-carotene, No. 41. 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.

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