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Phys.org / Ancient Rome's food shortages were shaped more by logistics than climate
Ancient Rome's greatest threat to food security wasn't the weather but the challenge of getting grain to the capital, according to a new study. By comparing hundreds of years of historical records with reconstructions of ...
Phys.org / Two independent studies push semiconductor qubits towards practical scales
Semiconductor spin qubits are one of the most promising building blocks for future quantum computers, but turning them into a working, large-scale quantum computer has so far proven difficult. For now, two big questions remain ...
Medical Xpress / Signaling pathway may explain how transition from milk to solid food shapes immune system development
The early period of life is a critical phase in which the immune system must learn to tolerate harmless environmental stimuli, such as food and microbes that normally live in and on the body, while remaining vigilant against ...
Phys.org / Kids who start social media earlier may do worse at school
Students who open a personal social media account earlier in adolescence appear to perform worse on later standardized tests, according to a study in Nature Human Behaviour based on 5,227 Italian students. The authors speculate ...
Phys.org / Field trials support oil-rich sorghum as a potential sustainable aviation fuel feedstock
In a new study by the Center for Advanced Bioenergy and Bioproducts Innovation (CABBI), researchers evaluated oil sorghum lines in Nebraska and Illinois over two years to quantify genotype-by-environment effects on agronomic ...
Medical Xpress / Researchers discover how tumors enlist nerves to keep growing
New research from the University of Oklahoma demonstrates how an aggressive form of breast cancer co-opts the body's own immune system to attract nerves that fuel tumor growth.
Medical Xpress / Study of 2 million newborns ties skipped vitamin K shot to higher bleeding risk
Newborns receive several routine immunizations shortly after birth. Prophylactic vitamin K is one such recommended shot. It activates several coagulation factors necessary for blood to clot properly, preventing vitamin K ...
Medical Xpress / Orexin neurons may uncover the brain's secret to staying motivated
What enables us to sustain effort toward goals, even when the task becomes increasingly difficult? A recent study by researchers at Nagoya University in Japan revealed the underlying brain mechanism, showing that orexin neurons ...
Medical Xpress / Blood marker tracks hidden progression in multiple sclerosis
Modern therapies have transformed care for people with multiple sclerosis (MS). Yet the disease continues to progress in a substantial proportion of patients, even in the absence of relapses. Detecting and treating this gradual ...
Phys.org / Greater transparency could reduce the risk of 'flash events' and other market crises
Sudden, hard-to-explain market gyrations involving billions of dollars are often triggered by a lack of transparency, new academic research suggests.
Phys.org / How does social vulnerability evolve after a tropical cyclone?
After tropical cyclones, communities are often left in upheaval. Those that had few resources to begin with tend to be especially vulnerable to external stresses, and people often experience homelessness, health problems ...
Medical Xpress / What ancient Chinese medicine can teach us about 'consciousness health'
Today, neuroscience treats consciousness as a process confined to the brain, as something that makes us aware of information that would otherwise be unconscious. This view is underpinned by an assumption: that consciousness ...