When the US Air Force discovered the flaw of averages
An in-depth description of Napier’s bones.
Cathy O’Neil on being an ethical data scientist.
Artisanal integers (not just a page that gives some out – some actual math content here!)
John Allen Paulos talks with Glen Whitney about his new book, which I am ashamed to admit I haven’t read yet.
Brian Hayes on what it takes to put together one of those sites that tells you the properties of a number.
God plays dice 
All of your links have an extra double quotation mark symbol at the end that is breaking them.