The President re-truthed a story with a thumbnail image of the symbol used by the Nazis to target gay people in concentration ...

Thanks to 4chan trolling, this hand gesture is a now symbol of hate, according to the Anti-Defamation League Credit: Getty Images This is why we can't have OK things. The Anti-Defamation League ...

Some elements have two letters in their symbol, because there are more than 100 elements, but there are only 26 letters in the alphabet, so we have to double some of them up. Katie: OK ...