
Chemistry
Let’s learn about acids and bases
Acids give away particles with positive charge. Bases accept positively charged particles. They are both critical for chemical reactions.
Acids give away particles with positive charge. Bases accept positively charged particles. They are both critical for chemical reactions.
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The catalyst is an improvement over its predecessors. Made of cheap materials like iron, it produces jet fuel in a single step.
Taste tells us what’s good to eat, but scientists are still learning about how it works.
A molecule is a group of atoms linked with chemical bonds. It’s the smallest particle of a substance that has all of its chemical properties.
New piezoelectric systems produce electricity in unusual ways, such as when a certain nylon bends or underwater ceramics vibrate.
A new soil-based material offers an alternative to concrete for 3-D printing environmentally friendly buildings.
A fluorescent polymer duo boosts the efficiency of solar cells. One day this material may coat your jacket, hat or backpack to provide power on the go.
Innovative flip-flops made from an algae-based plastic decompose in soil or compost. The comfy shoes also avoid use of fossil fuels.
Earth’s five layers extend from the ground up and into outer space. Each has its own distinct features and serves as the site of different activities and phenomena.
Engineers have figured out how to turn sheets of paper into rugged, low-cost electronic devices, such as a computer keypad.