Sid Perkins

Sid Perkins is a freelance science writer based in Crossville, Tenn.

All Stories by Sid Perkins

  1. Crop irrigation could be cooling Midwest

    A recent drop in summer highs may be linked to greater moisture from the Great Plains.

  2. Humans

    Minor air traffic delays add up to big costs

    On average, the economic impact of late flights exceeds that of hurricanes

  3. Agriculture

    How better weather models can save peanut farmers money

    Better weather forecasts could help farmers avoid unnecessary pesticide spraying.

  4. Dressing up dinos

    Adding soft tissue to bone helps scientists, paleoartists bring ancient creatures to life.

  5. Climate

    Acidifying ocean may stifle phytoplankton

    Chemical changes in seawater make a key nutrient less available to these organisms.

  6. Earth

    Hydrothermal vent environments not unchanging

    Once-rare organisms can become dominant, probably as some environmental conditions change over time.

  7. Earth

    Footprints could push back tetrapod origins

    Newly discovered trackways much older than previous evidence for sea-to-land transition.

  8. 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.

  9. Life

    Groovy teeth suggest dinosaur was venomous

    Fossils show depression in upper jaw that held venom-producing glands.

  10. 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.

  11. Earth

    Cameras catch underwater volcano in the act

    Seafloor eruption in the South Pacific is the deepest and most violent yet seen.

  12. Climate

    Carbon dioxide: Blame where blame is due?

    Blog: Measuring outsourcing of greenhouse gases. From the annual meeting of the American Geophysical Union.