June 18, 2025

Puzzle Corner

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.

Redpoint raises $650M three years after its last big early-stage fund

May 15, 2025
Redpoint Ventures, a San Francisco-based firm that is about a quarter of a century old, has raised a $650 million tenth early-stage, according to a regulatory filing. Redpoint’s new fund matches the size of its prior fund, which was raised just under three years ago. In a market where many venture firms are decreasing their […]

Anthropic’s lawyer was forced to apologize after Claude hallucinated a legal citation

May 15, 2025
A lawyer representing Anthropic admitted to using an erroneous citation created by the company’s Claude AI chatbot in its ongoing legal battle with music publishers, according to a filing made in a Northern California court on Thursday. Claude hallucinated the citation with “an inaccurate title and inaccurate authors,” Anthropic says in the filing, first reported […]

Lucid’s record quarter got a lift from rental sales and company leases

May 15, 2025
Lucid Motors set a company record for deliveries in the first quarter of 2025, shipping 3,109 EVs to customers in North America, Europe, and Saudi Arabia. It appears that a new company car program and sales to rental fleets helped it get there.  According to a footnote in Lucid Motors’ latest regulatory filing, it sold […]

Startups Weekly: A brighter outlook, but don’t get carried away

May 15, 2025
Welcome to Startups Weekly — your weekly recap of everything you can’t miss from the world of startups. Want it in your inbox every Friday? Sign up here. Startup news this week was fairly routine — in a good way: Aside from a minor kerfuffle between Y Combinator and Google, there was no headline-grabbing drama. […]

TikTok rolls out a new meditation feature to help you get off the app and sleep

May 15, 2025
TikTok is launching in-app guided meditation exercises, the social network announced on Thursday. The company began testing the meditation exercises with select teens earlier this year and is now making the feature available to all users on its app. The idea behind the feature is to help users improve their sleep quality and encourage them […]