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Medical Xpress / Dopamine deficiency found to drive memory impairment in Alzheimer's disease
Why do memories fade in Alzheimer's disease—and can they be restored? University of California, Irvine researchers have uncovered a key mechanism underlying memory loss, showing for the first time that dopamine dysfunction ...
Medical Xpress / 'Natural' birth control risks unwanted pregnancy, experts warn
After taking the pill for a decade, Elodie Monnier Legrand decided to try "natural" birth control, an increasingly popular trend that requires tracking fertility to avoid becoming pregnant.
Medical Xpress / Cardiorespiratory fitness may cut dementia, depression and psychosis risk
Many studies carried out over the past decades have explored the relationship between mental and physical health, showing that the two are often interlinked. One well-established indicator of overall physical health is cardiorespiratory ...
Medical Xpress / Mobile app-based coaching can support healthy weight gain in pregnancy, new study finds
Obesity during pregnancy has been steadily increasing worldwide. In the United States, over 60% of pregnant individuals enter pregnancy overweight or obese, and more than half go on to exceed recommended gestational weight ...
Phys.org / Tiny songbird crosses Sahara by flying night after night
Every year a small songbird, no heavier than a letter, crosses the Sahara Desert, the Mediterranean and the Arabian Desert on its migration. New research from Lund University in Sweden now reveals how the tiny bird manages ...
Phys.org / What wild honey from the Philippine jungle reveals about biodiversity
In the Philippines, Indigenous communities have been harvesting wild honey for centuries. A new chemical analysis of this honey now provides insights into the biodiversity of the region. "And an additional reason to protect ...
Tech Xplore / Billionaire Elon Musk enters courtroom showdown with OpenAI
Jury selection is to begin Monday in a high-profile legal battle between billionaire Elon Musk and artificial intelligence startup OpenAI, which he accuses of betraying its nonprofit mission.
Medical Xpress / Robust flu protection may rely on B cells that are long-lived residents in the lungs
Deep in the lungs, resident memory B cells stand guard against influenza reinfection—but whether they remain there may depend on how strongly they are signaled through their own receptors. New research using an animal model ...
Phys.org / They promised climate action for years, but what these meat and dairy giants were really selling was something else
The meat and dairy industry accounts for 57% of total global food production emissions and at least 16.5% of all global greenhouse gas emissions. But the vast majority of environmental claims from the animal agricultural ...
Phys.org / AI automates quantum dot voltage tuning for scaling up quantum computing
Semiconductor spin qubits are a promising candidate for the building blocks of next-generation quantum computers due to their high potential for integration and compatibility with existing semiconductor technologies. Qubits—like ...
Phys.org / Chernobyl's exclusion zone is a beacon of biodiversity—but it faces new threats from Russia's invasion
April 26 marks the 40th anniversary of the explosion at Reactor 4 of the Chernobyl nuclear power plant in Ukraine. The accident caused the largest ever release of radioactive material into the environment, and at the time ...
Phys.org / In Eastern Africa, the cradle of humankind is tearing apart
Eastern Africa's Turkana Rift is both a hotbed for fossil discoveries of our earliest ancestors and a literal hotbed of volcanic activity caused by shifting tectonic plates. Now researchers have found that Earth's underlying ...