Stanford University’s Human-Centered Artificial Intelligence (HAI) team has released the 2025 Global AI Vibrancy Tool, ranking 36 countries by their artificial intelligence ecosystems — with South ...

Discover how the Luhn Algorithm verifies credit card accuracy, supports secure transactions, and helps prevent errors in inputting Social Security numbers.

Analysis - Africa was hit by a record number of digital shutdowns in 2025 that stifled opposition and undermined democracy.