Videnskab

Archaeologists have uncovered evidence that teeth from elite Maya individuals were deposited in a cave in Belize during the Classic period. The remains, found far from their original burial sites, suggest a ritual practice linked to ancestor veneration and the underworld.

23. juni 2026 Rapporteret af AI

Physicists at the University at Buffalo have proposed a quantum sensing technique that could identify altermagnets using tiny defects in diamond. The method would help confirm the properties of these recently theorized materials. It was detailed in a paper published in Physical Review Letters.

A new perspective article in Frontiers in Nutrition argues that public health advice on protein intake and physical activity is largely designed to prevent deficiency, and that many people may benefit from aiming above today’s minimum recommendations to support strength, independence and cognitive function as they age.

23. juni 2026 Rapporteret af AI

A Tsinghua University team has developed an all-ceramic micro lithium-ion battery that operates stably at up to 150 degrees Celsius.

Workers paid to train advanced AI models are increasingly relying on chatbots like ChatGPT to generate the required conversations and tests. This shortcut, described as widespread by multiple sources, risks degrading the quality of future models through recursive training on synthetic data.

22. juni 2026 Rapporteret af AI

Growing seaweed to capture carbon dioxide could deplete ocean nutrients and reduce the effectiveness of natural carbon sinks, according to new research. The approach risks increasing atmospheric CO2 in some scenarios rather than lowering it. Two studies highlight significant ecological trade-offs.