Abstract The Salmon River in Alaska’s Kobuk Valley National Park is wild and scenic. Recently, scientists were surprised to find many of the streams in the park turning a bright,…

Objective: In this science project, you’ll investigate how much yeast is needed to remove microplastics from contaminated water.Areas of science: Environmental Science; Green ChemistryDifficulty: Intermediate easyTime required: Very Short (≤…

Fluoride (noun, “FLOOR-ide”) Fluoride is an electrically charged form of the element fluorine. An atom that carries such an overall charge is called an ion. Fluoride is a negative ion…

Civilizations may fall. But Egypt’s Great Pyramid of Giza has stood for nearly 5,000 years. Scientists finally know how it survived earthquakes. The pyramid tends to vibrate differently than the…

When a human has a sudden need to go number two, they might seek out a bathroom. When mammals in the forests of Costa Rica need to poop, they find…

For the first time, scientists have measured metal pollutants leaching from a piece of space junk in the atmosphere. They caught a burst of lithium as a SpaceX rocket burned…

Animals may have had a rich variety of complex body types far earlier than scientists had recently thought. A crucial moment in the history of life on Earth was the…

Snow line (noun, “SNOH line”) The term “snow line” is used in both earth science and astronomy. It has similar, but slightly different, meanings in each field. On Earth, a…

The weather forecast can get extreme in the land of Hyrule, found in the Nintendo series The Legend of Zelda. A downpour in the coastal province of Faron, for instance,…