To manufacture the human pancreatic islets, the research team had to fine-tune the settings of the 3D printer.
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Scientists capture slow-motion earthquake in action
Scientists for the first time have detected a slow slip earthquake in motion during the act of releasing tectonic pressure on a major fault zone at the bottom of the ocean.
The slow earthquake was recorded spreading along the tsunami-generating portion of the fault off the coast of Japan, behaving like a tectonic shock absorber. Researchers from The University of Texas at Austin described the event as the slow unzipping of the fault line between two of the Earth’s tectonic plates.
Their results were published in Science.
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New component reduces cost, supply chain constraints for fast-charging EV batteries
Strengthening the competitiveness of the American transportation industry relies on developing domestically produced electric vehicle batteries that enable rapid charging and long-range performance. The energy density needed to extend driving distance can, however, come at the expense of charging rates and battery life.
By integrating a new type of current collector, which is a key battery component, researchers at the Department of Energy’s Oak Ridge National Laboratory have demonstrated how to manufacture a battery with both superior energy density and a lasting ability to handle extreme fast charging. This enables restoring at least 80% of battery energy in 10 minutes. By using less metal, particularly high-demand copper, the technology also relieves strain on U.S. supply chains.
“This provides a significant savings on near-critical materials, because much less copper and aluminum are needed,” said lead researcher Georgios Polyzos. “At the same time, this will greatly enhance the energy density achievable with a 10-minute charge.”
Scientists achieve teleportation between quantum computers for the first time ever
Until recently, practical attempts rarely pushed beyond proof-of-concept.
Now researchers have used the teleportation trick to forge a working logic gate between two separate quantum chips sitting about six feet apart, hinting at a future where clusters of modest processors act as one mighty computer.
A qubit is valuable because it can be zero and one at the same moment, yet that superposition collapses if the qubit feels a nudge from the outside world.
These two game-changing breakthroughs advance us toward artificial general intelligence
As humans, we rely on all sorts of stimuli to navigate in the world, including our senses: sight, sound, touch, taste, smell. Until now, AI devices have been solely reliant on a single sense—visual impressions. Brand-new research from Duke University goes beyond reliance only on visual perception. It’s called WildFusion, combining vision with touch and vibration.
The four-legged robot used by the research team includes microphones and tactile sensors in addition to the standard cameras commonly found in state-of-the-art robots. The WildFusion robot can use sound to assess the quality of a surface (dry leaves, wet sand) as well as pressure and resistance to calibrate its balance and stability. All of this data is gathered and combined or fused, into a single data representation that improves over time with experience. The research team plans enhance the robot’s capabilities by enabling it to gauge things like heat and humidity.
As the types of data used to interact with the environment become richer and more integrated, AI moves inexorably closer to true AGI.
Endothelial cell metabolism in cardiovascular physiology and disease
In this Review, the authors describe the metabolic programmes that control endothelial cell function in the cardiovascular system, discuss the role of endothelial cell metabolism in different cardiovascular diseases, and highlight the therapeutic potential and challenges of targeting endothelial cell metabolism to treat cardiovascular diseases.
Calorie restriction mimetics against aging and inflammation
Geroprotectors, a class of compounds that ameliorate molecular, cellular, or physiological aging-related alterations, have garnered significant attention in the quest to promote healthy aging and extend the human health span. Among these, Calorie Restriction Mimetics (CRMs) have emerged as promising candidates due to their potential to mimic the benefits of calorie restriction, a dietary approach involving reduced calorie intake without malnutrition. Prospective CRMs may include biguanides (metformin and aminoguanidine), which exert effects on the insulin signaling pathway; rapamycin, which interacts with mTOR signaling pathways; and stilbenes (resveratrol), which influences stress signaling pathways and promotes the activation of AMPK, impacting mitochondrial metabolism in addition to the activity of FOXO and sirtuin.
Researchers uncover novel mechanism for regulating ribosome biogenesis during brain development
Ribosomes are tiny molecular machines inside all living cells that build proteins, and ribosome biogenesis is the complex, multi-step process by which they are made. During brain development, neural stem cell proliferation relies on active ribosome biogenesis to meet high protein demand. This process involves the concerted action of numerous ribosomal RNA processing factors and assembly proteins. Studies have shown that precise regulation of ribosome biogenesis is essential for normal brain development and tumor prevention.