Ordering a single item at a fast food chain is usually followed by one question: "Do you want to make that a combo?" Here's ...

An inherent principle of publication is that others should be able to replicate and build upon the authors' published claims. A condition of publication in a Nature Portfolio journal is that authors ...

In 2015, Amazon launched an online B2B marketplace called Amazon Business. The enterprise was immediately successful, racking up $1 billion in sales in its first year. But what happened next was truly ...