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Science News for April 30, 2022


What do jelly and sand have in common?

Researchers from Tokyo Metropolitan University found that falling beds of sand and melting gelatin exhibit similar destabilization behavior, characterized by fingering instabilities and fluidized interface regions. This study provides insights into the macroscopic physical behavior of granular materials and gels under gravity.

SourceTokyo Metropolitan University·JournalScientific Reports·DateApr 30, 2022

New cardiac defibrillator much safer for patients: Study

A new type of cardiac defibrillator implanted under the skin has been found to significantly reduce patient complications, including lead-related complications and blood clotting. The subcutaneous ICD has shown promising results with an average age of patients included in the study ranging from 18 to 60 years old.

SourceMcMaster University·TypeRandomized controlled/clinical trial·DateApr 30, 2022

Around three quarters of the total obesity costs to the US healthcare system among people living with obesity are accounted for by the 20% highest-cost cases

Research shows that around three quarters of total US healthcare costs for people with obesity are accounted for by the 20% highest-cost cases. These high-cost individuals had substantially more obesity-related complications and economic burden than those in lower cost categories.