How do complex mixtures of chemicals affect our health? New research has shown that chemicals that occur in complex mixtures and in concentration ratios as found in humans act together. Even if the ...

Ammonia is an important molecule with many applications. The end product of the famed Haber-Bosch process, it is commonly synthesized to capture nitrogen for fertilizers, and is used for refrigeration ...

When liquids containing small particles evaporate, those fluids often leave behind fingerprints like coffee rings or whiskey webs (SN: 10/31/19). But liquids mixed with other liquids leave their own ...

(Beyond Pesticides, September 12, 2025) A team of Argentinian researchers conducted a study published in Environmental Toxicology and Pharmacology of the combined effects of the herbicide glyphosate ...

Scientists have unwrapped long-sought details of embalming practices that ancient Egyptians used to preserve dead bodies. Clues came from analyses of chemical residue inside vessels from the only ...