HS-ESS2-6
Develop a quantitative model to describe the cycling of carbon among the hydrosphere, atmosphere, geosphere, and biosphere.
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ClimatePredicting a wildfire with data from space
When the West gets dry it can catch fire. A teen decided to find out if satellite data might show where a fire’s fuel might reside.
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EarthCarbon dioxide could explain how geysers spout
A new study overturns 150 years of thinking about Yellowstone’s geysers. Carbon dioxide, not just hot water, may be driving those spectacular eruptions.
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ChemistrySmash hit: Making ‘diamond’ that’s harder than diamonds
Scientists had suspected extreme meteorite impacts might turn graphite into an unusual type of diamond. Now they’ve seen it happen — in under a nanosecond.
By Beth Geiger -
EarthBubbles may have sheltered Earth’s early life
For Earth’s earliest inhabitants, a bubble on the beach would have been the next best thing to a safety blanket.
By Meghan Rosen -
FossilsClues to the Great Dying
Millions of years ago, nearly all life on Earth vanished. Scientists are now starting to figure out what happened.
By Beth Geiger -
EarthNepal earthquake offers hints of worse to come
The magnitude 7.8 earthquake that crumbled much of Nepal’s capital city could be overshadowed by larger future earthquakes along the Himalayas, scientists say.
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ClimateThis umbrella ‘listens’ to rain — for science
Scientists have developed an umbrella that ‘listens’ to falling raindrops. One day, a fleet of such simple rain gauges may help scientists better map weather patterns and changes in Earth’s water supplies.
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EnvironmentBurning to learn
Fires cause billions of dollars of destruction to homes and forests every year. But not all fires are bad, especially for forests. With a better understanding of fire, scientists can both help people prevent dangerous fires — and identify which ones it would be better to let burn.
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EnvironmentExplainer: How and why fires burn
A fire’s colorful flame results from a chemical reaction known as combustion.
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EnvironmentExplainer: All crude oil is not alike
Crude oil comes in conventional and unconventional types.
By Janet Raloff -
ChemistryExplainer: Ocean acidification
Here’s why shellfish and other animals in the sea suffer when the ocean is forced to absorb too much carbon dioxide.
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EnvironmentOzone hits a new low
Scientists discover a major thinning in the protective atmosphere over Arctic.