PGT-SR reveals that even small pericentric and paracentric inversions carry a small but measurable reproductive risk, challenging assumptions of minimal impact in IVF outcomes.
This website uses a security service to protect against malicious bots. This page is displayed while the website verifies you are not a bot.
How does the short-term care burden compare between heart transplants and LVADs? LVADs have higher upfront costs and longer stays; heart transplant recipients incur greater rehospitalization costs over time. @mogga72553 @HartfordHealthC
BackgroundHeart transplant (HT) and left ventricular assist devices (LVADs) are treatment options for advanced heart failure refractory to standard therapy. Historically, LVADs have been used as either destination therapy or a bridge to transplant. However, recent changes to the organ allocation system have deprioritized patients on LVADs as transplant recipients, leading to divisive views on the role of an LVAD. The comparative short‐term care burden with each modality remains unclear.
Researchers have developed a technology to invisibly transmit information disguised as background thermal radiation. Using a phenomenon called “negative light,” they transferred 100 kilobits of data per second in a way that was completely undetectable to outside observers.
Most methods for concealing data during transfer involve hiding it among other data or encrypting it in a way that makes it impossible to read without a cipher or other means of decryption. The new technique, by contrast, makes the data almost impossible to intercept because there’s no indication it’s being sent at all. It can also be encrypted through traditional means to further harden security, the team wrote in a paper published March 5 in the journal Light: Science & Applications.
In this clip, physicist Michio Kaku explains to Joe Rogan why the strange behavior of Tabby’s Star briefly led scientists to consider something extraordinary.
Planets usually block less than 1% of a star’s light.
Even Jupiter would block about 1%.
But Tabby’s Star dimmed by nearly 20% — something astronomers had never seen before.
Because of that extreme and unusual dimming, some scientists explored whether an intelligent megastructure — like a Dyson sphere built by a Type II civilization on the Kardashev Scale — could explain the observations.
This video focuses on *why the idea was considered*, not a confirmed conclusion.
AI chatbots are standardizing how people speak, write, and think. If this homogenization continues unchecked, it risks reducing humanity’s collective wisdom and ability to adapt, computer scientists and psychologists argue in an opinion paper published in Trends in Cognitive Sciences.
They say that AI developers should incorporate more real-world diversity into large language model (LLM) training sets, not only to help preserve human cognitive diversity, but also to improve chatbots’ reasoning abilities.
Chen et al. provide a comprehensive roadmap of the gene regulatory networks governing human pancreatic differentiation and identify the essential roles of the NKX2.2-CLEC16A/endosomal pathway axis for islet organogenesis. This study also highlights the expandable pancreatic progenitor (ePP)-islet system as a powerful platform for investigating cell fate decisions and disease modeling.
Researchers at the Kennedy Institute of Rheumatology have found that physically resisting the formation of an immunological synapse actually promotes a stronger immune response. The findings could help explain how immune responses become weakened in cancer and chronic infection and inform the design of more effective vaccines.
In a new study led by Professor Mike Dustin at the Kennedy Institute, and the team lead Dr. Alexander Leithner (now at the University of Salzburg, Austria), in collaboration with Audun Kvalvaag, at the Institute for Cancer Research at the University Hospital Oslo, examined how the physical presentation of a protein called ICAM-1 (Intercellular Adhesion Molecule 1) on a target cells affects the activation of T cells—the immune system’s cells responsible for identifying and eliminating infected or cancerous cells.
Published in the Proceedings of the National Academy of Sciences, their findings show that when ICAM-1 is locked in place, rather than free to move within the cell membrane, T cells show a stronger response and become more effective at killing target cells. The study provides new insight that could help design better immune strategies and may have implications for vaccine design, cancer immunotherapy and understanding immune evasion.