Science

Ultrasonic metamaterial at MHz frequencies using microstructured glass

Acoustic metamaterials enhance traditional material properties, providing opportunities to shape sound fields in applications ranging from biomedical imaging and clinical therapy to nondestructive ...
Science

Ocean carbon sequestration during glacial climates due to combined Antarctic sea ice expansion and ocean circulation change

Glacial-interglacial transitions punctuate Earth’s Quaternary climate, accompanied by substantial atmospheric carbon dioxide and ocean carbon storage changes. The cause of atmospheric carbon drawdown ...
Open Heart

Discharge NT-proBNP predicts 2-year outcomes after TAVR but not after SAVR in preserved ejection fraction: a propensity-matched cohort study

Background Discharge N-terminal pro-B-type natriuretic peptide (NT-proBNP) is a recognised prognostic marker after ...

[8th Grade Math] Why you can do the basics of linear functions but get stuck on application problems

"I can solve problems where I substitute numbers into an equation, but I don't understand when it becomes a graph." "I ...

[Revealed by a Former JVM Developer] Why Can a 3rd Grader Reach High School Math II (Calculus/Complex Numbers) by 7th Grade Without Strain? Empirical Curricu…

"Even though I had my child advance to high school math (Math I/Math II) through Kumon while in elementary school, they can't ...