Analysis of organic compounds -- called polycyclic aromatic hydrocarbons (PAHs) -- extracted from the Ryugu asteroid and Murchison meteorite has found that certain PAHs likely formed in the cold areas ...

Deep within giant planets, helium may form stable compounds with other elements, a new study finds — something that was long thought never to happen in nature. Helium is second only to hydrogen as the ...

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Conventional methods for N-acylation of heterocyclic, nitrogen-containing compounds are notoriously inefficient, producing low yields and often involving preactivated reagents, strong metal bases and ...