BackgroundEmerging evidence suggests that glycemic status and dietary intake are associated with sleep duration and quality. ObjectiveTo examine associations…
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Video NeuroImage: Stereotypic Motor Behaviors in a Patient With Pantothenate Kinase–Associated Neurodegeneration
A 24-year-old woman with pantothenate kinase–associated neurodegeneration (PKAN) presented with a 5-year history of psychiatric symptoms followed by prominent stereotypic motor behaviors, including repetitive touching of her mouth and leg, object manipulation, and tip-toe walking (Video 1). Examination revealed severe depression and anxiety, mild speech dysfluency, and the stereotypic movements. Previous symptomatic treatments provided limited benefit. Brain magnetic resonance imaging demonstrated the pathognomonic “eye-of-the-tiger” sign, indicative of iron deposition in the bilateral globus pallidus (Figure). Genetic testing identified compound heterozygous variants in the PANK2 gene: a known pathogenic variant (c.401AG) and a novel likely pathogenic variant (c.1465CG).
This Photonic AI Chip is the FUTURE of Computer Vision
This AI chip doesn’t use electricity to compute — it uses light.
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Engineers at the University of Pennsylvania have built a photonic neural network capable of classifying nearly 2 billion images per second, operating at speeds millions of times faster than today’s electronic computer vision systems.
In this video, we explore how photonic neural networks work, why traditional image recognition is so computationally expensive, and how light-based hardware could overcome fundamental limits of GPUs and silicon. We go over how convolution layers, weighted sums, and activation functions are implemented directly on a photonic chip — without memory, clock cycles, or digital logic.
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New Discovery: This Molecule Could Beat Rapamycin in Longevity
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Dive into the future of longevity research with Dr. Ben Blue, CEO of Ora Biomedical. We explore how Ora’s high-throughput “Wormbot” platform is conducting the world’s largest unbiased search for longevity interventions, moving beyond the narrow focus on established pathways like mTOR.
In this episode, we discuss:
• The ambitious Million Molecule Challenge and why it could revolutionize the field.
• Surprising discoveries already made, including molecules that outperform rapamycin.
• Ora’s strategic pivot to radiation resistance, with applications for astronauts, pilots, and human health.
• How their data-driven approach is uncovering interventions for resilience against toxins and other stresses.
• The journey from worm models to potential clinical trials and what’s next for the company.
Learn how Ora is scaling drug discovery to tackle aging and age-related diseases.
https://twitter.com/OraBiomedical.
https://www.linkedin.com/company/ora-biomedical-inc/
This video was produced by One Billion Media, an agency that specializes in YouTube virality for health brands and experts. Learn more about their work here:
Caltech Team Sets Record with 6,100-Qubit Array
Quantum computers will need large numbers of qubits to tackle challenging problems in physics, chemistry, and beyond. Unlike classical bits, qubits can exist in two states at once—a phenomenon called superposition. This quirk of quantum physics gives quantum computers the potential to perform certain complex calculations better than their classical counterparts, but it also means the qubits are fragile. To compensate, researchers are building quantum computers with extra, redundant qubits to correct any errors. That is why robust quantum computers will require hundreds of thousands of qubits.
Now, in a step toward this vision, Caltech physicists have created the largest qubit array ever assembled: 6,100 neutral-atom qubits trapped in a grid by lasers. Previous arrays of this kind contained only hundreds of qubits.
This milestone comes amid a rapidly growing race to scale up quantum computers. There are several approaches in development, including those based on superconducting circuits, trapped ions, and neutral atoms, as used in the new study.
The neutral-atom platform shows promise for scaling up quantum computers.