Want to add a little unpredictability to your Python code? The random module is the quickest way to do it. From generating numbers and shuffling lists to simulating real-world randomness, it's one of ...

Randomness sits at the heart of everything we do online. Many encryption algorithms depend upon randomly generated numbers to work, and that’s just one example of many. But how random is random? It’s ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Identifying causal relationships from observational data is not easy. Still, ...