NASA's X-59 supersonic-but-quiet jet soared over the Southern California desert on Tuesday in the first test flight of an experimental aircraft designed to break the sound barrier with little noise, paving the way for faster commercial air travel.

A new Galleri blood test detected 75% of cancers without current screening options, with over half found in early stage I or II, according to GRAIL researchers in California.

The government rolled out a longer, harder exam this month for aspiring Americans. More than 350,000 Washington Post readers took our quiz. They gave it mixed marks.

He told reporters, "AOC is low IQ. If you give her an IQ test, have her pass like the exams that I decided to take when I was at Walter Reed. I took, those are very hard. They're really aptitude tests, in a certain way, but they're cognitive tests."

President Donald Trump admitted that he found a test he took to screen for possible early signs of cognitive decline “very hard.” Speaking to reporters aboard Air Force One overnight, the president was attacking Democratic congresswomen Jasmine Crockett of Texas and Alexandria Ocasio-Cortez of New York as “low IQ” when he also outed himself for struggling with simple exams.

The news came after a week that saw tough new U.S. sanctions announced on Russia’s key oil and gas sector and new European commitments of military aid to Ukraine.

An early version of Grokipedia is now live, with 885K+ articles 'fact-checked' by AI. But in some cases, the content appears to be copied from Wikipedia.

A Bay Area biotech company is behind a potentially groundbreaking blood test that promises to be a game-changer in cancer detection with the ability to discover more than 50 types of cancer even before symptoms appear.