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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Crop irrigation could be cooling Midwest
A recent drop in summer highs may be linked to greater moisture from the Great Plains.
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Humans
Minor air traffic delays add up to big costs
On average, the economic impact of late flights exceeds that of hurricanes
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Agriculture
How better weather models can save peanut farmers money
Better weather forecasts could help farmers avoid unnecessary pesticide spraying.
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Dressing up dinos
Adding soft tissue to bone helps scientists, paleoartists bring ancient creatures to life.
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Climate
Acidifying ocean may stifle phytoplankton
Chemical changes in seawater make a key nutrient less available to these organisms.
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Earth
Hydrothermal vent environments not unchanging
Once-rare organisms can become dominant, probably as some environmental conditions change over time.
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Earth
Footprints could push back tetrapod origins
Newly discovered trackways much older than previous evidence for sea-to-land transition.
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Earth
Tides in Earth’s crust trigger small, deep quakes
Study of one portion of the San Andreas fault finds that just a little added stress from crustal tides makes a quake more likely.
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Life
Groovy teeth suggest dinosaur was venomous
Fossils show depression in upper jaw that held venom-producing glands.
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Earth
Mistletoe leaves a big carbon footprint in Yellowstone
Earth sciences reporter Sid Perkins blogs on new research from the annual meeting of the American Geophysical Union in San Francisco.
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Earth
Cameras catch underwater volcano in the act
Seafloor eruption in the South Pacific is the deepest and most violent yet seen.
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Climate
Carbon dioxide: Blame where blame is due?
Blog: Measuring outsourcing of greenhouse gases. From the annual meeting of the American Geophysical Union.