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Phys.org / Scattered bronze bells in Chinese lord's 2,600-year-old tomb point to ritual deactivation
When archaeologists opened the 2,600-year-old tomb of an ancient Chinese lord, they discovered his magnificent bronze bells had been scattered, their wooden hangings broken. But the most mysterious part of all: This was apparently ...
Medical Xpress / Higher blood glucose levels linked to faster brain aging
The human brain is known to naturally change with age, shrinking in size and volume after people reach their 30s or 40s. In some cases, however, it can age faster than expected, which can increase the risk of early memory ...
Phys.org / Rats show empathy, according to model
A rat first frees a cagemate rat and then shares food with it. Is this animal just as empathetic as humans? In an American study from 2011, researchers observed that rats first freed their fellow rats from a cage and then ...
Phys.org / European cities short on shade as heat waves hit, urban mapping reveals
More than four in five homes and workplaces across 25 European cities have less nearby tree canopy than what is needed for meaningful cooling, according to an open-data analysis by an urban greening expert.
Tech Xplore / AI-powered social media can subtly manipulate opinion at scale
AI tools used to generate, edit or contextualize social media posts can introduce hidden biases that spread through online networks and shape public opinion, according to new research from the Oxford Internet Institute (OII) ...
Phys.org / Rare 309-million-year-old fossils suggest early tetrapods developed without tadpole phase
Scientists have long posited that the earliest water animals to transition to land had amphibious tadpole features, going through a metamorphosis akin to that of today's frogs.
Phys.org / Japan space probe skims asteroid in test for planetary defense
A Japanese space probe performed a flyby of a near-Earth asteroid on Sunday in a test mission for technology that could help protect the planet from space rocks.
Phys.org / Controlling magnetic chirality could help memory pack in more data
Magnetic storage devices, like a computer's hard disk drive, utilize magnets to represent binary data. However, as these devices are downsized, stray magnetic fields generated by individual magnetic components can interact ...
Phys.org / Spring songbirds may help pollinate UK trees, with pollen on 89% of studied birds
The warblers—those harbingers of spring in the U.K.—have an unappreciated talent of a different sort. Common U.K. birds, including chiffchaffs and blackcaps, are playing a real role in the pollination of plants, according ...
Phys.org / Deuterium in comets tells interesting tales
Comets have played an interesting role in the history of astronomy. Since antiquity, many cultures saw them as omens or spirits, portending good or bad news for kings, queens and emperors. Over the past few hundred years, ...
Phys.org / A nearby black hole as a window into the early universe
An international team led by Stefanie Komossa from the Max Planck Institute for Radio Astronomy (MPIfR) in Bonn has studied a galaxy that has been shining exceptionally brightly in the radio regime for more than eight years. ...
Medical Xpress / Uterine aging linked to poorer pregnancy outcomes after 49 despite donor eggs
A major new study suggests that age-related changes in the uterus may contribute to poorer pregnancy outcomes, with women aged 49 and older experiencing lower live birth rates and higher miscarriage risk despite donor-oocyte ...
