Chemistry

Animals

Preventing frog-sicles

Wood frogs avoid becoming frogsicles with natural antifreeze.

Chemistry

A penny for your health?

Copper is best known as the reddish metal used to make pennies, electrical wiring and weather vanes. But two teen scientists think copper should find its way into medical settings as well. Their data suggest the metal — in bandages or on surfaces — could play a major role in killing some types of bacteria responsible for serious infections.

Chemistry

New bag keeps food fresh longer

Invention harnesses oxygen-trapping power of iron.

Chemistry

A warming life jacket

New liner contains a substance that helps fight heat loss in chilly water.

Chemistry

Building a better battery

Researchers develop a way to make batteries that hold more charge and don’t weaken with age.

Chemistry

A plant enemy’s enemy

Plants use chemicals to recruit help in fighting off pests.

Chemistry

Secret signals

Animals respond to chemical messages they may not even realize they’re swapping

Chemistry

Cool Jobs: Crime scene investigators

These researchers don’t miss a clue.

Chemistry

Explainer: Ocean acidification

Here’s why shellfish and other animals in the sea suffer when the ocean is forced to absorb too much carbon dioxide.

Chemistry

Harder than diamonds?

Researchers create new material that may be world’s hardest.

Chemistry

Tiny bubbles, be gone

The right surface can determine how water boils.

Chemistry

Making rocks into magnets

Lab experiments show one way that certain types of stones can morph into magnets.