The 39 Clues Wiki
The 39 Clues Wiki

This article is about a real-world person, place, or thing. For more information, see the corresponding Wikipedia page here.

To earn this Clue, you must complete Mission 0: Agent Training.

The Uranium Symbol


So many planes disappear in the Bermuda Triangle, because a Clue is heavily guarded by its branch in a stronghold. Marie Curie, an Ekat, discovered the Clue.



The 39 Clues Clue 11

The scene first starts with a radar screen with yellow planes and boats and the Bermuda Triangle. A chunk of uranium appears on the radar. It starts beeping with the green circles, and the word URANIUM appears, along with the radar's green line.

Card Combo

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About Uranium

Uranium is a radioactive element, is number 92 on the Periodic Table of the Elements. It is highly radioactive. Uranium is used as the main ingredient in a nuclear bomb.

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Uranium Ore