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Use the periodic table as a model to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms.
- Materials Science
Nanowires made from silver are super stretchy
When silver nanowires stretch slowly, atoms on their surface can spread to heal weak spots. The discovery could lead to more flexible electronics.
- Physics
How to chill an object by sending its heat into space
Researchers have designed a device that can cool an object by radiating its energy into outer space. Think of it as a solar panel in reverse.
- Earth
Water sensor quickly detects algal poison
A new sensor can detect poisons from harmful algae within minutes so that drinking-water plants can start timely treatments.
- Chemistry
The newest elements finally have names
Nihonium? Tennessine? These aren’t body parts or medicines. They’re among the names just given to the four newest superheavy elements.
- Chemistry
Dwarf galaxy spawned heavy elements
A study of nine stars in the dwarf galaxy Reticulum II found heavy elements. They had been produced after a violent stellar event sparked a chemical chain reaction.
- Materials Science
Long-sought subatomic particle ‘seen’ at last
Physicists have finally caught a brief glimpse of massless subatomic particles that were first predicted to exist 85 years ago. It’s the elusive Weyl fermion.
- Brain
To protect kids, get the lead out!
Lead poisons hundreds of thousands of children. In Chicago, experts show how the toxic metal hurts test performance in school.
- Chemistry
Scientists Say: Ion
Some atoms and molecules have a positive or negative electrical charge. These are called ions.
- Chemistry
Form some bonds with a chemistry card game
A new game can make aspects of learning chemistry fun. Pair charged elements together to create neutral compounds. Win points in the process.
- Chemistry
Rewritable paper: Prints with light, not ink
Rewritable paper could save money, preserve forests and cut down on waste — and all without using any ink.
- Tech
Digital lighting goes organic
An environmentally friendly lighting technology promises not only to save energy but also to transform our indoor environment.
- Chemistry
Scientists confirm element 117
Scientists have confirmed the existence of a new, short-lived superheavy element. For now, they’re calling it ununseptium.
