The most dangerous elements on the periodic table - Shannon Odell
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Most Deadly Elements On Earth
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Are there Undiscovered Elements Beyond The Periodic Table?
5:01
Can you solve the secret assassin society riddle? - Alex Rosenthal
13:56
The Most Insane Weapon You Never Heard About
5:14
Les couleurs les plus dangereuses de l'Histoire - J. V. Maranto
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Why did people wear powdered wigs? - Stephanie Honchell Smith
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The weird ways the elements got their names
6:35