Twitter has been trialing an unprecedented method to find the hidden biases in its own algorithms. The social media platform has enrolled external researchers in a one-of-a-kind competition, in which ...

If you’ve been making the same commute for a long time, you’ve probably settled on what seems like the best route. But “best” is a slippery concept. Perhaps one day there’s an accident or road closure ...

In algorithms, as in life, negativity can be a drag. Consider the problem of finding the shortest path between two points on a graph — a network of nodes connected by links, or edges. Often, these ...