Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight Center. Credit: NASA's Goddard Space Flight Center Producer & Director: James ...

Temperature is a critical parameter that can significantly influence the outcome of the redox reactions. However, determining the temperature-dependent properties of redox couples is often ...

A chip-scale laser smaller than a penny, fabricated from lithium niobate and utilizing the Pockels effect, achieves ultrafast, broad-spectrum frequency tuning at rates of about 10 19 Hz.

The kinetic isotope effects (KIEs), kH/kD, have been determined for reaction of CH3I/CD3I with several organoplatinum(II) complexes [PtR2(NN)], in which the bidentate NN ligand is bpy = ...

The retinal blood vessels are very sensitive to the changes in the blood pressure. Those changes are reflected as arteriolar narrowing which changes the vessel caliber, and modify the arterious venous ...

Trump defended his approach of jacking up tariff rates to 145% on Chinese goods, only to pull back to 30% for 90 days of negotiations.He similarly last week threatened to impose a 50% tax on goods ...