5 of the World’s Most Dangerous Chemicals They explode when you touch them. Even a millionth of a gram can kill you. They can even disable you with their horrifying smell. SciShow introduces you to give of the most dangerous chemicals in the world. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts These Strange Metals Could Make Electronics Perfectly Efficient Why Do Cameras Do This? Breakthrough In Human Space Hibernation Detailed Tour of the International Space Station Messages For The Future We Found Gravitational Waves…AGAIN!!!