Sid Perkins
Sid Perkins is a freelance science writer based in Crossville, Tenn.
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All Stories by Sid Perkins
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Earth
A source of haze
Scientists identify how a hydrocarbon commonly emitted by plants is converted to light-scattering aerosols.
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Animals
Of mice and men
Rapid anatomical changes in rodents linked to increases in human population density, precipitation.
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Earth
Comet likely culprit in Tunguska blast
Analysis of shuttle plume movement suggests Tunguska event could have caused clouds over London.
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Chemistry
CO2 sponge
Macromolecule that was accidentally discovered seems to trap carbon dioxide from the air.
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Earth
Lopsided lights
Simultaneous snapshots reveal that northern and southern auroras aren’t always alike.
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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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Earth
Signs of ancient sea ice
New analyses of Arctic seafloor sediments suggest floating ice debuted in the ocean at least 47.5 million years ago.
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Earth
Erosion, on the down low
Experiments show how microscopic fungi attack minerals to begin the erosion process.
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Earth
New cyclone predictor
Researchers link occasional sea-surface warming in central Pacific with more, stronger hurricanes in North Atlantic.
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Planetary Science
Losing Louisiana
A new model predicts that rises in sea level, combined with subsiding lands, will claim a tenth of the state by century’s end.
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Earth
Ozone hole trims polar water’s CO2-absorbing power
Simulations also suggest that the dearth of ozone over Antarctica leads to ocean acidification. Simulations also suggest that the dearth of ozone over Antarctica leads to ocean acidification