Moveable optical tweezers are used to precisely position atoms within an optical cavity to efficiently prepare arrays of cavity-coupled atoms, with applications in networking in atomic systems.
Added Hofer, “Our results challenge traditional views about learning and memory. While the cerebral cortex has long been considered the brain’s primary centre for learning, memory and behavioral flexibility, we found the subcortical vLGN and not the visual cortex actually stores these crucial memories. This neural pathway can provide a link between cognitive neocortical processes and ‘hard-wired’ brainstem-mediated behaviors, enabling animals to adapt instinctive behaviors.”
The implications of the discoveries extend beyond the laboratory, the team suggests. Dysfunction of pathways through vLGN or impairments in eCB-dependent plasticity could contribute to fear and anxiety disorders and PTSD, the team suggested. “… targeting these pathways, for example, by using deep brain stimulation, or enhancing eCB-dependent plasticity within these circuits may facilitate suppression of maladaptive fear responses, suggesting new therapeutic strategies for fear-related disorders.”
Hofer stated, “Our findings could also help advance our understanding of what is going wrong in the brain when fear response regulation is impaired in conditions such as phobias, anxiety and PTSD. While instinctive fear reactions to predators may be less relevant for modern humans, the brain pathway we discovered exists in humans too. This could open new avenues for treating fear disorders by targeting vLGN circuits or localized endocannabinoid systems.”
Newly discovered Quipu, a superstructure in which galaxies group together in clusters and clusters of clusters, is the largest known structure in the universe in terms of length, scientists claim.
A new study published in Scientific Reports simulates particle creation in an expanding universe using IBM quantum computers, demonstrating the digital quantum simulation of quantum field theory for curved spacetime (QFTCS).
While attempts to create a complete quantum theory of gravity have been unsuccessful, there is another approach to exploring and explaining cosmological events.
QFTCS maintains spacetime as a classical background described by general relativity, while treating the matter and force fields within it quantum mechanically. This allows physicists to study quantum effects in “curved spacetime” without needing a complete theory of quantum gravity.
DEA is used in industrial, agricultural, and consumer products.
“We knew that micropollutants can be incorporated into fatty molecules in the body, but we didn’t know how this occurs or what happens next,” Clardy said. “DEA’s metabolism into an immune signal was completely unexpected.”
The team proposes that DEA could be added to the growing list of biomarkers used to detect some cases of major depressive disorder.
Earth sized planet causes parent star to emit radio signals indicating presence of a magnetic field and potential for live elsewhere in the cosmos.
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A new study shows how an anticancer drug triggers an “outside in” signal that gets it sucked into a cancer cell. The work, published Jan. 29 in Nature Communications, reveals a new signaling mechanism that could be exploited for delivering other drugs.
Many malignant cancers overexpress a protein called P-cadherin, which is embedded in the cell membrane. Because cancer cells have a lot of P-cadherin sticking out of their surface, the protein has been targeted for drug development.
Monoclonal antibodies against P-cadherin can carry a drug payload to the cancer cells. It has not been clear, though, exactly how the antibodies attach to P-cadherin or how they get inside the cancer cell once attached.
By treating DNA as a language, Brian Hie’s “ChatGPT for genomes” could pick up patterns that humans can’t see, accelerating biological design.
Researchers have found that Artemisia herba-alba, a medicinal herb, contains compounds capable of fighting colorectal cancer. The plant extract halted cancer cell growth, disrupted key pathways, and showed potential as a less harmful alternative to chemotherapy.
Scientists from the University of Sharjah have discovered that Artemisia herba-alba, a naturally occurring aromatic herb, contains compounds with potential therapeutic effects against colorectal cancer.
This herb, commonly known as common wormwood, white wormwood, or herba alba, grows naturally in North Africa and the Middle East, where it has long been used in traditional medicine. Local populations have historically relied on it to treat conditions such as bronchitis, diarrhea, hypertension, and diabetes.