In a stunning leap for quantum optics, scientists have generated ultrafast light pulses whose quantum uncertainty can be ...

Easter Island is famous for its giant monumental statues, called moai, built some 800 years ago and typically mounted on ...

New research shows how 911 caller emotion, urgency, and speech patterns can trigger suspicion—and why policing that relies on ...

For decades, the popular theory was bleak: the islanders, obsessed with their statues, supposedly deforested their island to move the moai using wooden rollers and sledges. This narrative, popularized ...

Millions of older women take calcium supplements to protect their bones, but many have worried whether the pills might harm their brains.

Some companies are working to remedy the issue. Some AI chatbots rely on flawed research from retracted scientific papers to answer questions, according to recent studies. The findings, confirmed by ...

“Explain it to me like a fifth grader.” This, or a variation of this prompt, often appears in social media circles discussing the benefits of AI at explaining complex topics in the simplest way ...

The success of DeepSeek’s powerful artificial intelligence (AI) model R1 — that made the US stock market plummet when it was released in January — did not hinge on being trained on the output of its ...

This important study identifies a putative iron and zinc transporter in the plasma membrane of the obligate intracellular pathogen, Toxoplasma gondii. Using an array of different approaches, the ...

Several frontier AI models show signs of scheming. Anti-scheming training reduced misbehavior in some models. Models know they're being tested, which complicates results. New joint safety testing from ...