I’m teaching Edinburgh’s undergraduate Axiomatic Set Theory course, and the axioms we’re using are Lawvere’s Elementary Theory of the Category of Sets — with the twist that everything’s going to be ...

The operator class identifies the operators to be used by the index for that column. For example, a btree index on four-byte integers would use the int4_ops class; this operator class includes ...

Instagram just released a tool that lets users leave comments under Stories. Only followers can see the comments, and those you follow back can leave a comment. The new tool combines two features ...

Scientists from China have investigated how short peptide chains aggregate together in order to deepen our understanding of the process which is crucial for drug stability and material development.

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...