Ancient DNA unravels ancestral secrets of classic Maya period Beneath the surface of present-day western Honduras lie the ruins of Copán—an archaeological site that once stood as a vital city in the classic Maya world, situated at the crossroads between Central and South America.
https://phys.org/news/2025-05-....ancient-dna-unravels

A new type of X-point radiator that prevents tokamaks from overheating Nuclear fusion reactors are highly powerful technologies that can generate energy by fusing (i.e., joining) two light atomic nuclei to form a heavier nucleus. These fusion reactions release large amounts of energy, which can then be converted into electrical power without emitting greenhouse gases.
https://phys.org/news/2025-05-....tokamaks-overheating

Saturday Citations: Wages vs. welfare; origins of teeth; a search for primordial black holes A new study of the Gobi Wall in the Gobi highland desert of Mongolia reveals a multifunctional role beyond defense; data from the James Webb Space Telescope is bringing physicists closer to resolving the Hubble tension; and a U.S.-based team of astronomers stumbled on a new dwarf planet in the outer solar system while searching for Planet Nine.
https://phys.org/news/2025-05-....saturday-citations-w

Solar architecture choreographs light and shadow across an ancient Macedonian tomb Athens-based independent scholar Demetrius Savvides has shown that in Amphipolis, northern Greece, where the Kastas Monument rises in tiers of sculpted marble, sunlight appears to have been drawn into the heart of the tomb timed to the winter solstice.
https://phys.org/news/2025-05-....solar-architecture-c

AI meets game theory: How language models perform in human-like social scenarios Large language models (LLMs)—the advanced AI behind tools like ChatGPT—are increasingly integrated into daily life, assisting with tasks such as writing emails, answering questions, and even supporting health care decisions. But can these models collaborate with others in the same way humans do? Can they understand social situations, make compromises, or establish trust?
https://phys.org/news/2025-05-....ai-game-theory-langu