Browse Articles

The Effect of Music on Heart Rate

Agrawal et al. | Apr 25, 2013

The Effect of Music on Heart Rate

Different songs can seem to evoke different emotions. Here the authors demonstrate that different songs can have a significant effect on the heart rate of listeners. A slower song slows heart rate, and a faster song increases it.

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Effectiveness of Biodegradable Plastic in Preventing Food Spoilage

Zhang et al. | Mar 20, 2012

Effectiveness of Biodegradable Plastic in Preventing Food Spoilage

Most people put little thought into the type of plastic wrap they use to store their leftovers. This study investigates the differences between biodegradable plastic wrap and non-biodegradable plastic wrap in their ability to prevent food spoilage. Does one work better than the other? Read more to find out!

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An explainable AI framework for studying query complexity and hallucinations in LLM scheduling tasks

Thantron et al. | Nov 09, 2026

An explainable AI framework for studying query complexity and hallucinations in LLM scheduling tasks
Image credit: Immo Wegmann

In this study, we investigated how the complexity of a query can influence tool-use hallucinations in large language models that were tasked with setting an appointment. Using explainable AI (XAI) as a tool to test the hypothesis, we analyzed trends in hallucination rates by the type of query and saw results that when complexity and ambiguity of the query increased (such as asking for multiple days or unclear time ranges), the model was more likely to make errors due to misunderstanding time-related data from tool outputs. This shows that making large language models (LLMs) understand what seems logical to a human is still difficult, especially in complex tasks, and that knowing what causes these errors can help build more trustworthy AI systems.

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Fundamental understanding on the dynamic reactions of liquid gallium with aluminum

Li et al. | Sep 11, 2026

Fundamental understanding on the dynamic reactions of liquid gallium with aluminum
Image credit: David Hofmann

This study investigates the dynamic reaction between liquid gallium and aluminum, which poses a challenge when using high-performance gallium-rich thermal interface materials for electronic cooling. Through the usage of in-situ microscopy, we show that while aluminum oxide coatings slow gallium-induced damage, nanometer-thick iridium coatings effectively prevent reaction and surface degradation at device-operating temperatures. These findings highlight a promising thermal-cooling architecture for extending the lifespan and reliability of high-power electronic heat dissipation systems.

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A study of Syrian students' migration motivations, destinations, and return intentions in a time of crisis

Merjaneh et al. | Apr 16, 2026

A study of Syrian students' migration motivations, destinations, and return intentions in a time of crisis
Image credit: Aaron Burden, 2017

This study investigates the migration intentions of Syrian high school and university students amid ongoing conflict and economic instability. Drawing on survey data, the research examines how academic stage influences migration motivations, preferred destinations, and return intentions. The findings reveal a widespread desire to emigrate, driven by educational, economic, and security concerns, highlighting significant implications for Syria’s future workforce and post-conflict recovery.

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