Archimedean screw inspires new way to encode chirality into magnetic materials

In physics and materials science, the term "spin chirality" refers to an asymmetry in the arrangement of spins (i.e., the ...
Investopedia

Understanding the Social Welfare System: Key Functions and Benefits

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Michael Boyle is an experienced financial professional with more than 10 years working with ...
BMJ

Measuring only hop distance during single leg hop testing is insufficient to detect deficits in knee function after ACL reconstruction: a systematic review and meta-analysis

Objective To systematically review the biomechanical deficits after ACL reconstruction (ACLR) during single leg hop for distance (SLHD) testing and report these differences compared with the ...
Investopedia

How Consumers Choose Substitutes

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...