D.C. public libraries saw record engagement in 2025 with 3.2 million visits and over 6.2 million items borrowed, including books, eBooks, audiobooks, and streaming videos.

OpenFisca is a versatile microsimulation free software. Check the online documentation for more details. This package contains tutorials to test and explore OpenFisca. The tutorial notebooks of ...

Introductory text for Kalman and Bayesian filters. All code is written in Python, and the book itself is written using Jupyter Notebook so that you can run and modify the code in your browser. What ...

The Transportation Security Administration (TSA) is once again honoring its canine teams with the unleashing of the 2026 Canine Calendar. The Purina Foundation continued its support of animal welfare ...