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Medical Xpress / Does being infected or vaccinated first influence COVID-19 immunity?
A new study analyzing the immune response to COVID-19 in a Catalan cohort of health workers sheds light on an important question: does it matter whether a person was first infected or first vaccinated?
Phys.org / Locals sound alarm as Bijagos Islands slowly swallowed by sea
Turquoise waves splash against the white sand beaches of the Bijagos archipelago, where locals fear rising sea levels will swallow their islands whole.
Tech Xplore / Waymos blocked roads and caused chaos during San Francisco power outage
Many of Waymo's self-driving cars blocked streets of San Francisco during a mass power outage Saturday and forced the company to temporarily suspend service, raising questions about the cars' ability to adapt to real-world ...
Medical Xpress / Novo Nordisk says US approves first GLP-1 pill for weight loss
Danish pharmaceutical giant Novo Nordisk announced Monday the US Food and Drug Administration (FDA) had approved its popular GLP-1 anti-obesity drug Wegovy to be administered in pill form for weight loss.
Medical Xpress / Ozempic Meals? Restaurants shrink portions to match bite-sized hunger
A self-described foodie, social butterfly and New Yorker for 20 years, Lina Axmacher has long loved exploring the city's famed restaurant culture.
Phys.org / Anything-goes 'anyons' may be at the root of surprising quantum experiments
In the past year, two separate experiments in two different materials captured the same confounding scenario: the coexistence of superconductivity and magnetism. Scientists had assumed that these two quantum states are mutually ...
Phys.org / Two ancient human species came out of Africa together, not one, suggests new study
The textbook version of the "Out of Africa" hypothesis holds that the first human species to leave the continent around 1.8 million years ago was Homo erectus. But in recent years, a debate has emerged suggesting it wasn't ...
Phys.org / Study shows the 2008 recession caused people to identify with a lower class
Class identity, which is how individuals view their economic and social positions in relation to others, has wide-ranging effects on people's well-being, thoughts, and behavior. Previous studies have shown that people who ...
Phys.org / The simulation hypothesis: Mathematical framework redefines what it means for one universe to simulate another
The simulation hypothesis—the idea that our universe might be an artificial construct running on some advanced alien computer—has long captured the public imagination. Yet most arguments about it rest on intuition rather ...
Phys.org / Scientists chart over 140,000 DNA loops to map human chromosomes in the nucleus
One of the most detailed 3D maps of how the human chromosomes are organized and folded within a cell's nucleus is published in Nature.
Tech Xplore / All-optical chip achieves 100-fold speed boost over top-tier NVIDIA chips
Scientists in China have unveiled a new AI chip called LightGen that is 100 times faster and 100 times more energy efficient than NVIDIA chips, the leading supplier of AI chips worldwide. Instead of using electricity to move ...
Medical Xpress / For teens, any cannabis use may have impact on emotional health and academic performance
Using marijuana just once or twice a month was associated with worse school performance and emotional distress for teens, according to a large national study of adolescents led by Ryan Sultán, an assistant professor of clinical ...
