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Phys.org / Bird guano powered rise of Chincha Kingdom in Peruvian Andes, archaeologists find
New archaeological evidence reveals that seabird guano—nutrient-rich bird droppings—was not only essential to boosting corn yields and supercharging agriculture in ancient Peru, but it may have been a driving force behind ...
Medical Xpress / HPV cancer vaccine slows tumor growth and extends survival in preclinical model
Throughout the past decade, Northwestern University scientists have uncovered a striking principle of vaccine design: Performance depends not only on vaccine components but also on vaccine structure. After proving this concept ...
Phys.org / Webb unveils nature of distant ultraviolet-luminous galaxy CEERS2-588
Astronomers from the University of Tokyo in Japan and elsewhere have employed the James Webb Space Telescope (JWST) to observe a distant ultraviolet-luminous galaxy known as CEERS2-588. Results of the observational campaign, ...
Tech Xplore / What chatbots can teach humans about empathy
Over half of U.S. adults are using large language models (LLMs)—such as ChatGPT, Gemini and Copilot—in some capacity. Whether using artificial intelligence to create grocery lists, turn oneself into a Muppets character ...
Tech Xplore / Robots use radio signals and AI to see around corners
Penn Engineers have developed a system that lets robots see around corners using radio waves processed by AI, a capability that could improve the safety and performance of driverless cars as well as robots operating in cluttered ...
Phys.org / Strike against mask wearing in 1930s echoed COVID-19 protests, study finds
New research from The University of Manchester has shown that debates and resistance about wearing face masks go back a lot further than the COVID-19 pandemic. Dr. Meng Zhang, a Wellcome Trust Research Fellow at the University's ...
Medical Xpress / A hidden neuron 'gatekeeper' may shape Alzheimer's buildup of amyloid-beta
Brain cells are constantly swallowing material from the fluid that surrounds them—signaling molecules, nutrients, even pieces of their own surfaces—in a process known as endocytosis that is essential for learning, memory ...
Medical Xpress / Addiction affects your brain as well as your body. That's why detoxing is just the first stage of recovery
Addiction is one of the most common and consequential chronic medical conditions in the United States. Nationwide, more than 46 million people met the criteria for a substance abuse disorder as of 2021, the most recent data ...
Medical Xpress / FDA rejects Moderna's mRNA flu vaccine application, for reasons with no basis in the law
The Food and Drug Administration has refused to review an application from the biotech company Moderna to approve its mRNA-based flu vaccine.
Phys.org / New analysis of crystal deformation in olivine reveals surprising results
Minerals form the building blocks of almost everything on Earth. They are made up of crystals—regular, repeating atomic structures that fit together like a three-dimensional pattern. When minerals deform, their normally ...
Phys.org / Widespread loss of marine sponges possible if heat waves intensify by just 1°C
New research shows the effects of marine heat waves on sponges could be much more severe as temperatures rise. More intense marine heat waves as a result of climate change could lead to the mass loss of a sponge species found ...
Medical Xpress / Cumulative lead exposure linked to increased Alzheimer's and dementia risk, study finds
As dementia cases continue to rise in the United States, new research from the University of Michigan School of Public Health reveals that older Americans with cumulative lead exposure face a substantially higher risk of ...