New method uses gentle electricity to anesthetize teeth and gums without a needle

New method uses gentle electricity to anesthetize teeth and gums without a needle
Inositol transport system regulates arsenic uptake
High-pressure experiment produced the first precursor of a metallic atomic hydrogen-state
Better understanding of redox-active ligands using ab initio calculations
Testing for minor cocaine metabolites in hair analysis has limited applications for definitive proof of active cocaine consumption
Rhine among the most microplastics polluted rivers
Research project aims to enable multi-level cultivation of plants in large cities