Sid Perkins

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

All Stories by Sid Perkins

  1. Paleontology

    Ancient fish with killer bite

    Dunkleosteus clamped down on prey with three-quarters-of-a-ton bite force.

  2. Archaeology

    Biocides inducing resistance in Lascaux cave’s microbes

    Study makes researchers wonder whether they should treat fungus or not.

  3. Life

    Portuguese trove of trilobite fossils

    Fossils include largest known trilobite specimen and groups of the ancient arthropods caught in the act of molting and spawning.

  4. Paleontology

    Soft tissue from a dino fossil

    Researchers have uncovered soft tissue and fragments of several proteins from a hadrosaur.

  5. Earth

    A limit for carbon emissions: 1 trillion metric tons

    To reduce risks of severe damage from climate change, humans should burn no more than 1 trillion tons of carbon in total, researchers suggest.

  6. Plants

    Climatic effects of tree-killing hurricanes

    A new analysis suggests storm damage returns millions of metric tons of carbon dioxide to the atmosphere each year.

  7. Earth

    A little air pollution boosts vegetation’s carbon uptake

    Aerosols bumped up world’s plant productivity by 25 percent in the 1960s and 1970s, new research suggests.

  8. Life

    Fossil evidence for a Goldilocks tyrannosaur

    A newly described species of tyrannosaur helps fill in details about the fearsome meat-eating dinosaurs.

  9. Planetary Science

    Antarctic ecosystem holds unusual microbes

    Long isolated deep under a glacier, life thrives in dark, salty water by breathing iron and eating sulfates.

  10. Space

    Massive solar flares captured in 3-D

    Distance between orbiting STEREO craft allows better imaging of coronal mass ejections.

  11. Life

    Early land arthropods sported shells

    Ancient ocean-dwelling arthropods may have worn shells to enable their transition to land.

  12. Earth

    Arctic ice more vulnerable than ever

    Ocean’s ice cap is smaller than long-term average and thinnest yet as melt season begins.