Learn how gradient descent really works by building it step by step in Python. No libraries, no shortcuts—just pure math and code made simple.

The social media platform has taken a step towards transparency amid ongoing battles over platform spam and non-consensual AI ...

Need something brilliant to read this weekend? Here is part two of our favourites from 2025 John and James Harris. Photograph: Pal Hansen/The Guardian The year ended with another bout of Beatlemania ...