This tree search framework hits 98.7% on documents where vector search fails

A new open-source framework called PageIndex solves one of the old problems of retrieval-augmented generation (RAG): handling very long documents.The classic RAG workflow (chunk documents, calculate e [...]

NASA's Artemis II Moon Mission: How to Watch and What to Know

This will be the first time that humans have traveled all the way to the moon since the early 1970s. [...]

6,000 Meters Under the Pacific, Japan Seeks Independence From China on Rare Earths

Tokyo is succeeding where the rest of the world has failed, reducing its reliance on Beijing for crucial rare earth elements—thanks to an enormous underwater deposit discovered on a remote island. [...]

AI sycophancy makes people less likely to apologize and more likely to double down, study finds

AI models tell people what they want to hear nearly 50 percent more often than other humans do. A new Science study shows this isn't just annoying: it makes people less willing to apologize, less [...]

Getting formal about quantum mechanics' lack of causality

A quantum experiment shows that we can formally test if the order of events matters. [...]

Ig Nobels ceremony moves to Europe over security concerns

Marc Abraham: “During the past year, it has become unsafe for our guests to visit the country." [...]

Narwhals become quieter as the Arctic Ocean grows louder

Increasing shipping traffic is interfering with the whales’ ability to hunt and communicate. [...]

HHS Is Using AI Tools From Palantir to Target ‘DEI’ and ‘Gender Ideology’ in Grants

Since March of 2025, the Department of Health and Human Services has been using tools from Palantir and the startup Credal AI to weed out perceived alignment with “DEI” or “gender ideology.” [...]

Court orders restart of all US offshore wind construction

Trump admin's "it's classified" ploy put on hold in five different cases. [...]