Sid Perkins

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

All Stories by Sid Perkins

  1. Ecosystems

    Frogs leapt before they landed

    Jumping preceded mastery of the touchdown in amphibian evolution, a new study suggests.

  2. Planetary Science

    Hole from on high

    Researchers discover a fresh meteorite impact crater using Google Earth.

  3. Earth

    Mangroves do a coast good

    Left intact, dense swaths of trees can reduce tsunami damage, a new study suggests.

  4. Earth

    Africa’s bumper crop of dust

    Seafloor sediments show that agriculture has greatly boosted airborne dust in the last two centuries.

  5. Climate

    Methane releases in arctic seas could wreak devastation

    Warming climate could lead to dead zones, acidification and shifts at the base of the ocean’s food chain.

  6. Earth

    Moby Dick meets Jaws

    A recently discovered fossil demonstrates that giant whales weren’t always as gentle as they are today.

  7. Earth

    Antarctic shoal breaks the ice

    Instruments on a massive berg help pinpoint a previously unreported undersea ridge.

  8. Earth

    Even a newborn canyon is big in Texas

    A flood carved a surprisingly large gorge that may help understand features on Earth and Mars.

  9. Earth

    Planes can trigger snowfall

    Under certain conditions, aircraft can trigger precipitation as they pass through moisture-laden clouds.

  10. Earth

    Ancient marine reptiles losing their cool

    Warm-bloodedness may help explain the creatures’ evolutionary success, a new study suggests.

  11. Climate

    With warming, some commercial fish may boom and bust

    Higher temps in Arctic waters might be good for some species but not for others, new research suggests.

  12. Planetary Science

    Before the Mississippi, minerals show ancient rivers flowed west

    Michigan zircons uncover the path of an ancient river system across North America.