Can a six-dimensional sphere be described using imaginary numbers? For decades, experts puzzled over this question. Now an AI has apparently answered it
China’s open AI models are testing America’s approach to AI safety
With Donald Trump and Xi Jinping set to discuss AI safety, the growing popularity of Chinese open-weight models highlights the limits of developer-controlled safeguards
Blood test for multiple cancers clears crucial hurdle on track to FDA approval
If approved, the test could help catch cancers early—but more research is still needed, experts say
See the Taurids light up the fall sky with brilliant shooting stars
Lasting from mid-September until mid-December, the Taurid meteor showers are among the longest of the year
Watch a robot dog run a marathon faster than the average human
The quadrupedal machine finished the course in a solid four hours, 19 minutes and 52 seconds—and on just one battery charge
Is football too dangerous for kids’ brains? These scientists are racing to find out
A new study found that one in four professional football players who died between 2016 and 2021 had CTE—a degenerative brain disease—but what about children who play these sports?
When it comes to ‘poop maxxing,’ are you optimizing or obsessing?
Is it possible to optimize our poop?
Scientists discover largest new impact crater in the solar system ever—on our moon
The crater, named after geologist and lunar surface expert Tom McGetchin, spans more than two football fields wide
Why mathematicians are hiding research results in zero-knowledge proofs
Google made a major breakthrough in quantum computing. To prevent the results from being misused, the company kept them secret. That backfired
Strange things happen in four dimensions
Disorder, exotic shapes and great uncertainty: while mathematicians understand phenomena in low and high dimensions very well, the 4D world raises many questions