Space
Physicists may have finally glimpsed elusive dark matter
For decades scientists have been trying to detect this invisible substance that fills the cosmos. The LZ experiment may have finally spied it.
MS-PS1-1
Develop models to describe the atomic composition of simple molecules and extended structures.
More Stories in MS-PS1-1
- Physics
Scientists made clocks from an atomic nucleus
These super high-tech timepieces use the chemical element thorium to keep time. And as the clocks improve, they could help solve some mysteries in physics.
- Physics
Trying to break a photon would create a quantum mess
Attempting to cut a light particle in half would spawn up to infinite new photons, a new model shows.
- Chemistry
Scientists Say: Fluoride
This electrically charged form of fluorine boasts powerful tooth-strengthening abilities.
- Health & Medicine
Meet CLA, a naturally ‘healthy’ fat in burgers, ice cream and more
Solid at room temp, the natural trans fat conjugated linoleic acid resembles saturated fats — except that it appears good for the body in many ways.
- Health & Medicine
Explainer: What are ultraprocessed foods?
Packed with chemical additives, these foods have become a major part of our diets. Scientists have begun to worry about how ultraprocessed foods may impact health.
- Chemistry
Explainer: What is chirality?
Chiral molecules are mirror images of each other. They might not seem all that different — but can have drastically different effects in medicine, materials and more.
- Physics
Could we ever build the tech to shrink ourselves?
The atoms that make us up couldn’t be shrunk or smashed closer together — at least, not without catastrophic consequences.
- Chemistry
Scientists Say: Element
The number of neutrons and electrons can vary in atoms of the same element. The number of protons alone sets each of these substances apart.
- Physics
Scientists Say: Tauonium
No protons, neutrons or electrons. And yet, based on what scientists know about fundamental particles, this variety of atom just might exist.
