Every year, more than 2.5 billion doses of cetirizine, the second-generation antihistamine sold worldwide under names like ...

A team of chemists in China has designed a family of tin-based compounds that outperform the frontline chemotherapy drug ...

An international team of astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA), of which the U.S.

Life is remarkably selective. Life relies on many molecules with what is termed “handedness”—they’re chemically identical but are mirror images of each other. Most chemical reactions will make a 50/50 ...

To develop gene therapy tools based on CRISPR-associated transposons (CASTs), it is essential to define how transposon ends are recognized and paired during transposition. Transposon 7 (Tn7)–like ...

Atomic sizes, bond lengths and X-ray wavelengths compared with graphite, DNA and visible light on a logarithmic scale. Positions represent measured lengths, not illustrations of the objects. Source: ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...