科学与环境
Chemical fingerprints reveal ancient Pueblo blue mineral sources
来源: Phys.org - latest science and technology news stories · 发布于
Kari Schleher, an assistant professor in the University of New Mexico's Department of Anthropology and faculty curator of archaeology at UNM's Maxwell Museum, recently published research examining whether archaeologists can determine the sources of azurite, a vivid blue copper mi
Kari Schleher, an assistant professor in the University of New Mexico's Department of Anthropology and faculty curator of archaeology at UNM's Maxwell Museum, recently published research examining whether archaeologists can determine the sources of azurite, a vivid blue copper mineral that was used by the Ancestral Pueblo people starting at least 1,400 years ago.
相关报道
Repeated racism linked to depression and suicidal thoughts in Colorado teens
Knowing that multiple studies provide strong evidence that links racism to poor mental health, researchers at the University of Colorado Anschutz wanted to know what types of racist incidents young people are experiencing in schools and if repeated events were more harmful to the
Phys.org - latest science and technology news stories ·
Why demand persists for the horn of a once near-extinct antelope
Family traditions, misconceptions about where it comes from, and a belief that remedies sold in shops are government-approved help explain continued demand for saiga antelope horn in Singapore, according to a University of Oxford–led study published in People and Nature.
Phys.org - latest science and technology news stories ·
Watching others pays off: Attentive macaques benefit from observing their group mates interacting
Monkeys constantly observe and evaluate their social environment. It stands to reason that the social and mental abilities required to do so were favored by evolution. After all, these abilities should influence how an animal interacts with its conspecifics and, as a result, what
Phys.org - latest science and technology news stories ·
Chirality of 'trions' illuminates new paths for quantum optics
Scientists from Tokyo Metropolitan University have discovered that charged states made of two electrons and a positively charged hole (or vice versa) on atomically thin rolls of carbon atoms have a structure-derived "handedness" in how they interact with light. While electron-hol
Phys.org - latest science and technology news stories ·
How bacteria build the molecular bushing of the flagellar motor
The bacterial flagellum is a motility organelle that enables bacteria to swim and is composed of more than 30 different proteins. Researchers have long sought to understand how this complex nanomachine self-assembles from many parts in the correct order and at the correct positio
Phys.org - latest science and technology news stories ·