The chosen studies featured various methods to assess medication use initiation, implementation, and/or persistence in patients with chronic obstructive pulmonary disease (COPD). The researchers ...

When DFT or CC fails, then multireference methods are often the methods of choice in chemistry. In these methods one uses the “diagonalize-then-perturb” strategy, whereby the Hamiltonian is first ...

In the Church’s spiritual treasury, there are countless different prayer methods. The prayer methods instruct and guide our interior lives. They structure our prayer and show us how to speak and ...

The top-down approach relies heavily on photolithography, a process where light is used to transfer geometric patterns from a mask to a light-sensitive chemical photoresist on the substrate.

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Colloidal quantum dots (CQDs) are semiconducting crystals. They exist on a nanometer scale (ca. 2–12 nm) and are coated with ligand/surfactant molecules to avoid agglomeration. Due to their size, CQDs ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...