The most dangerous elements on the periodic table - Shannon Odell
5:14
As cores mais mortíferas da história - J. V. Maranto
20:57
Are there Undiscovered Elements Beyond The Periodic Table?
10:45
The 5 Most Dangerous Chemicals on Earth
5:37
This mushroom will kill you before you know what’s happening - Michael Beug
13:56
The Most Insane Weapon You Never Heard About
20:35
Amadores acabaram de resolver um problema de matemática de 30 anos
15:02
The Strange Science of Why We Dream
17:13