The U.S. Environmental Protection Agency (EPA) on April 19, 2024, announced its Final Rule designating two per- and polyfluoroalkyl substances (PFAS) compounds – perfluorooctanoic acid (PFOA) and ...

Lawmakers and regulators across the United States have a new substance in their sights: 7-hydroxymitragynine, commonly known ...

UPDATE: The FBI says lab reports came back negative for biological threats. “As this is still an ongoing investigation, no other details can be released,” an FBI spokesman said. PREVIOUS STORY: (WFLA) ...

When you think about dangerous substances, what comes to mind? Perhaps a snake’s venom or a toxic mushroom? While nature certainly produces some terrifying compounds, humanity has managed to create ...

There are lots of different substances but only just over a hundred elements. An element is a substance that is made up of only one kind of atom. The atoms in a particular element are the same as each ...

In everyday life, for example on food packaging, the word ‘pure’ usually means that something is in its natural state without anything added to it, like sweeteners or preservatives. Natural fruit ...

Jackson Quinn, foreground, places a bottle contains a PFAS water sample into a rotator, Wednesday, April 10, 2024, at a U.S. Environmental Protection Agency lab in Cincinnati. The Environmental ...

When we think of compounding, which is the process of combining, mixing, or altering ingredients to create a medication specific to the needs of an individual patient, we think of the Cars’ 1978 ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Scientists have identified the most bitter-tasting substance ever ...

Food scientists have discovered a mushroom chemical they say is the most bitter substance known thus far, a finding that sheds light on how the tongue helps us perceive taste. Researchers at the ...

DURING a study of plant keto-acids carried out by one of us (G. H. N. T.) under the direction of Prof. F. C. Steward at Cornell University, an unknown substance, hereafter designated compound I, was ...