One ball on a Plinko board is unpredictable. Drop a thousand and they form a near-perfect bell curve—one of math’s most powerful ideas for 150+ years.

Imagine a large cube formed by gluing together 27 smaller wooden cubes, all of uniform size. A termite starts at the center of the face of any one of the edge cubes and bores a path that takes it ...

Scientists have collected and summarized studies looking at how video games can shape our brains and behavior. Research to date suggests that playing video games can change the brain regions ...

Brain-stimulating games may support thinking skills in dementia, including memory, reasoning, and communication. Evidence is mixed, so they are not a guaranteed treatment. Studies on exergames and ...

Since the launch of the Crossword in 1942, The Times has captivated solvers by providing engaging word and logic games. In 2014, we introduced the Mini Crossword — followed by Spelling Bee, Letter ...

I pushed eight free AI chatbots to their limits to find the best AI chatbots of 2026. To explore our top picks, check out ZDNET's chatbot-by-chatbot guide.