Thymic injury leads to reduced T cell production and makes patients more vulnerable to infections and cancers. Lemarquis et al. identify a population of recirculating regulatory T (Treg) cells that mediate regeneration in the injured thymus, partially through amphiregulin. An analogous population of Treg cells expressing CD39 and ICOS is found in humans, suggesting therapeutic avenues for boosting thymic regeneration to address aging-and treatment-induced immunosuppression.
What do eyes, quantum collapse, and photon emission have in common?
While experimenting with a simple particle simulation, an unexpected phenomenon emerged that bridges multiple realms of physics and perception.
The simulation, designed to model particles moving in toroidal orbits while attracting each other, spontaneously developed a striking pattern: a perfectly centered emission of particles perpendicular to the toroid’s plane, resembling both an eye and a quantum emission event.
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A new startup in Canada wants to build the first “conscious” artificial intelligence using quantum computing. What’s their definition of consciousness? Well, it’s based on Roger Penrose’s ideas about consciousness, ORCH-OR. I find this rather confusing because Penrose thinks that consciousness is not computable, so how are we now going to compute it?
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This video is a compilation of clips filmed from 2022. Information was correct at the time of filming.
From plastic eating worms to robot bees – scientific and technological advancements could be what saves our planet, and us, from extinction.
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Neuralink’s video shows a patient using its brain chip to control a robotic arm, showcasing progress in assistive robotics and BCI technology.
Spin Hall nano-oscillators (SHNOs) are nanoscale spintronic devices that convert direct current into high-frequency microwave signals through spin wave auto-oscillations. This is a type of nonlinear magnetization oscillations that are self-sustained without the need for a periodic external force.
Theoretical and simulation studies found that propagating spin-wave modes, in which spin waves move across materials instead of being confined to the auto-oscillation region, can promote the coupling between SHNOs.
This coupling may in turn be harnessed to adjust the timing of oscillations in these devices, which could be advantageous for the development of neuromorphic computing systems and other spintronic devices.
“Let’s say a certain protein is expressed very highly in a cell. But when you actually look at it and see it, all of it is localised at the tip of the neuron where something very specific is happening,” he added.
Hassabis also stated that this could be crucial for understanding how a cell reacts to the injection of a specific nutrient or drug. At present, this process is carried out ‘painstakingly’ in a laboratory, but according to him, this project would enable researchers to perform it a million times faster and at a lower cost.
However, he noted that a laboratory would still be required as a final step to validate the predictions and conduct clinical trials to assess the efficacy of the research. Hassabis mentioned that the virtual cell project may materialise within five years from now.