New research has provided the first comprehensive analysis of pesticide mixtures in creeks and rivers discharging to the Great Barrier Reef. New research led by The University of Queensland has ...

There is increasing evidence that environmental chemicals to which we are continuously exposed can have endocrine disrupting properties and can thus be dangerous to human and animal health and ...

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 ...

When chemists need to separate one chiral molecule from a mixture of enantiomers—for instance, when synthesizing potential drug molecules—they often turn to high-performance liquid chromatography ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen environmental ...

Students will learn how to categorize matter as either pure substances or mixtures. Students will apply tests, based on physical properties of matter samples, to determine whether a mixture is ...