Hebrew University updates

New Nano-Device for Generating Structured Light  for Advanced Applications Developed

New Nano-Device for Generating Structured Light for Advanced Applications Developed

10 December, 2024

Researchers have developed a tiny, room-temperature device that creates a special type of structured light called radially polarized photons, which are highly useful for secure communication, advanced imaging, and precision optical tools. By carefully designing and positioning a quantum dot within a nanoantenna, they achieved high-quality light with over 93% polarization purity. This breakthrough helps improve the efficiency and practicality of devices that use structured light, paving the way for advancements in communication and optical technology.


 

How the Liver Remembers: The Science Behind Intermittent Fasting

How the Liver Remembers: The Science Behind Intermittent Fasting

9 December, 2024

A new study reveals how repeated fasting enhances the liver’s ability to adapt through a cellular memory mechanism. The research shows that alternate-day fasting “sensitizes” key genes and liver enhancers, boosting ketogenesis during subsequent fasting bouts. This process, driven by the transcription factor PPARα, highlights how the body adjusts to recurring nutritional challenges. These findings provide fresh insights into the metabolic benefits of fasting and its potential applications in health and dietary science.


 

Transforming Healthcare Predictions and Decision-Making: New Model

Transforming Healthcare Predictions and Decision-Making: New Model

5 December, 2024

Researchers at the Hebrew University enhanced the Elixhauser Comorbidity Model, improving predictions for length of hospital stay, mortality, readmission, and escalated care. The study outperformed the standard Elixhauser model, offering a comprehensive view of patient complexity. These findings benefit healthcare decisions and patient outcomes, with broad implications for the field.


 

Researchers Crack the Code of How Fish Pick Their Own Birthday

Researchers Crack the Code of How Fish Pick Their Own Birthday

5 December, 2024

New research has revealed that fish embryos actively control their hatching timing through a neurohormone, Thyrotropin-Releasing Hormone (TRH), which triggers the release of enzymes that dissolve the egg wall. This groundbreaking discovery uncovers a previously unknown neural mechanism that governs a critical life-stage transition, showing that embryos are not passive but instead actively make life-or-death decisions. The finding has significant evolutionary implications, offering new insights into neurobiology, survival strategies, and environmental adaptation in vertebrates.

Two Researchers from the Hebrew University Win Prestigious EU Research Grants

Two Researchers from the Hebrew University Win Prestigious EU Research Grants

3 December, 2024

The Hebrew University of Jerusalem proudly congratulates two of its esteemed researchers for receiving prestigious European Research Council (ERC) grants. These grants, each valued at approximately 2 million euros, are awarded to researchers leading innovative projects and join a long tradition of Hebrew University scholars who have been recognized with this honor in previous years.


 

The recipients from Hebrew University are:

Children Learn Language from Wholes to Parts, Challenging Traditional Views of Language Acquisition

Children Learn Language from Wholes to Parts, Challenging Traditional Views of Language Acquisition

26 November, 2024

 A new study reveals an often-overlooked process in language learning: children frequently begin by grasping whole phrases and only later identify the individual components within them. This “whole-to-part” approach suggests that children have an inherent bias toward holistic learning, challenging the traditional view that language is usually acquired by assembling smaller parts into larger structures. The findings shed light on the flexibility and resilience of language acquisition across diverse contexts, including situations where formal language input is limited.