Ubuntu is a free computer system, like Windows or macOS, but it’s built by a community. It’s great for programmers because it’s very flexible and has lots of tools already built-in that help you code.

Research shows that an app can lead to better blood sugar management and diet choices. We consulted diabetes experts on their favorite apps to manage type 1 and type 2 diabetes.

The full data set from our in-depth investigation into mass shootings.