All Stories by Sid Perkins
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Disaster Goes Global
The eruption in 1600 of a seemingly quiet volcano in Peru changed global climate and triggered famine as far away as Russia
- Earth
Hazy changes on high
A big boost in coal burning, especially in China, is adding aerosols to the stratosphere.
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Pearls Unstrung
For a while, the Great Lakes weren’t connected by rivers and Niagara Falls was just a trickle.
- Earth
Big Gulp, Asian style
Satellite data reveals that increased irrigation pressure is rapidly depleting groundwater in northern India.
- Earth
Spotting danger from on high
Airborne sensors can identify mineral outcrops and soil that may contain natural asbestos.
- Earth
A source of haze
Scientists identify how a hydrocarbon commonly emitted by plants is converted to light-scattering aerosols.
- Animals
Of mice and men
Rapid anatomical changes in rodents linked to increases in human population density, precipitation.
- Earth
Comet likely culprit in Tunguska blast
Analysis of shuttle plume movement suggests Tunguska event could have caused clouds over London.
- Chemistry
CO2 sponge
Macromolecule that was accidentally discovered seems to trap carbon dioxide from the air.
- Earth
Lopsided lights
Simultaneous snapshots reveal that northern and southern auroras aren’t always alike.
- Paleontology
Diggin’ dinos
Structures found in Australian rocks may be the filled-in remains of the world’s oldest dinosaur burrows.
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