If the ubiquitous spreadsheet program is the gateway to data science, Python aims to be the next step.

Stefanie Molin's new book, “Hands-On Data Analysis with Pandas" is about using the powerful pandas library to get started with machine learning in Python.

But while data scientists might be creating clever data visualizations, many decision makers still don't understand stories told through data.

A young computer scientist and two colleagues show that searches within data structures called hash tables can be much faster than previously deemed possible.