Here, we report the copper-catalyzed C2 selective cross-dehydrogenative C–N bond formation of azines with azoles. This straightforward method enables us to address the key limitation of prior N–O ...

Rockets carry an oxidizer, often in the form of liquid oxygen, to burn their engine fuel. That’s the fundamental difference between rockets and jets; the latter get oxygen from the air.

The enthalpies of formation for solid ionic nitrosonium oxalate, [NO] 2 [O 2 C−CO 2], nitronium oxalate, [NO 2] 2 [O 2 C−CO 2], as well as covalent bis (nitroso)oxalic acid, ON−O 2 C−CO 2 −NO, and ...

A novel thermoacidophilic iron and sulfur-oxidizing archaeon, strain YN25, was isolated from an in situ enriched acid hot spring sample collected in Yunnan, China. Cells were irregular cocci, about ...

The warnings, which feature approved pictures and pictograms, will be required on all tobacco product packaging. These new regulations will come into effect nine months from the date of publication.

Iran’s missile ambitions revived with Chinese help Iran is rapidly expanding its ballistic missile program with new imports from China, even as nuclear talks with the United States remain ...

Iran has reportedly purchased thousands of tons of ingredients for ballistic missiles from China, sources familiar with the situation told The Wall Street Journal on Friday. Tons […] ...

A covalent bond links lysine and cysteine in proteins together under oxidizing conditions, stabilizing them by Matthew Lloyd, University of Bath edited by Stephanie Baum, reviewed by Andrew Zinin ...

Isro has successfully conducted a series of critical tests for its next-generation 2,000 kN Semicryogenic Engine (SE2000), marking significant progress in enhancing the payload capacity of its ...