Ready for a fresh set of puzzles? Click here for the July/August 2025 Puzzle Corner, brought to you by guest editor Ed Faulkner ’03. Send problems, solutions (by August 1), and comments to puzzlecorner@technologyreview.com. Editor emeritus Allan Gottlieb ’67 launched Puzzle Corner in 1966. Find back issues through 2022 at cs.nyu.edu/~gottlieb/tr and more recent back issues at technologyreview.com/puzzle-corner.
Body language is one of the most powerful tools we use to connect, but it’s also one of the most misunderstood. Over the years, a handful of popular ideas have become “rules” — even though science tells a more nuanced story. Let’s set the record straight on a few of the most persistent body language myths.
Rork founders Levan Kvirkvelia and Daniel Dhawan are living a life that sounds like a plot for a movie. But it really happened. They went from broke, life savings spent, and in debt $15,000 apiece on credit cards — Kvirkvelia was even sleeping on a mattress at a friend’s apartment — to $100,000 of revenue […]
Every year, donors contribute billions of dollars to charities, yet the donation process still feels outdated and cumbersome. Founders Dan Eblagon and Ron Levy believe there is an easier way to donate, leading to the creation of Bono, a platform designed to facilitate a more modern and streamlined approach to giving. The platform (named after […]
Here’s how the president of this sustainable junk-removal business solves problems fast, treats customers with care and keeps as much as possible out of the landfill.
Pinterest is upgrading its visual search feature with a handful of new capabilities. On Monday, the company announced it’s rolling out new functionality to improve its feature that allows users to search using an image instead of text. This includes new tools to more precisely narrow and refine searches, as well as those that make […]
Tesla’s new car sales in Spain fell 36% in April to just 571 vehicles year-over-year, Reuters reports. That slump comes as sales of electric cars made by other brands rose in the Iberian country. Tesla sales in Spain mirror those in Europe generally, which plunged in the first four months of the year by 37.2%, […]
Datadog is on an acquisition spree. Just a few weeks after snatching up Metaplane, an AI-powered observability startup, the cloud monitoring and security company has acquired Eppo, a feature flagging and experimentation platform. Eppo will continue supporting existing customers and bringing on new ones under the brand “Eppo by Datadog.” Terms of the deal weren’t disclosed, […]