chemical

Isotopes are different forms of the same chemical element that contain varying numbers of neutrons, giving them slightly different masses.

From Science Daily ● Oct. 24, 2026

Its unusual chemical composition suggests that Bennu formed from a combination of materials originating in both regions rather than from a single, isolated source.

From Science Daily ● Oct. 24, 2026

Cancer research has traditionally concentrated on chemical signals and the stiffness of the tissues surrounding tumors.

From Science Daily ● Oct. 24, 2026

Because these tiny particles could circulate and mix efficiently throughout the disk, they preserved a chemical composition that closely resembles the overall elemental mixture found in the Sun.

From Science Daily ● Oct. 24, 2026

And after collecting the soil sample, I conducted a thorough analysis of it in my chemical laboratory.

From "A Rover's Story" by Jasmine Warga

The Midland, Mich., chemicals company posted third-quarter earnings of $458 million, or 62 cents a share, up sharpy from $62 million, or 8 cents a share, a year earlier.

From The Wall Street Journal ● Oct. 22, 2026

Tetracyclic triterpenoids are plant chemicals characterized by a structure containing four interconnected rings.

From Science Daily ● Oct. 22, 2026

Turns out that the dopamine chamber … it’s where they put rats to test different chemicals or in order to check their dopamine levels.

From Los Angeles Times ● Oct. 21, 2026

Dixon says that the technologies should be able to help growers react to issues more quickly and accurately, adding that most crop-protection chemicals rarely hit their intended target.

From The Wall Street Journal ● Oct. 19, 2026

I hugged him tight, his fur smelling like a mix of dogs and vet chemicals, pungent and sterile.

From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas