Algorithms have taken on an almost mythical significance in the modern world. They determine what you see on social media and when browsing online, help form people’s belief systems, and impact the ...

One minute, you’re watching a video about travel, and suddenly, your feed is filled with flight deals and hotel recommendations. It’s not magic, it’s the algorithm at work. From what you scroll, click ...

In 2025, the Instagram algorithm has become more advanced than ever, using artificial intelligence and machine learning to decide what content users see in their Feeds, Reels, Stories, Explore pages, ...

The next step is sending that list onto an order processing algorithm that goes out and buys or sells the stocks that have been selected. The code may seem hard to follow, but it’s one of the oldest ...

The original version of this story appeared in Quanta Magazine. If you want to solve a tricky problem, it often helps to get organized. You might, for example, break the problem into pieces and tackle ...