John Pickrell

John Pickrell is a freelance writer based in Sydney. He was a science writing intern at Science News in 2002.

All Stories by John Pickrell

  1. Queensland Australia wildfire

    Will Australia’s forests bounce back after devastating fires?

    Intense bushfires that have blazed down Australia’s eastern coast could have long-lasting effects on the continent’s unique plants and animals.

  2. pterosaur trying to eat squid illustration

    A squid fossil offers a rare record of pterosaur feeding behavior

    150 million years ago, a pterosaur attempted to snatch a squid from the ocean surface and lost a tooth in the process.

  3. Rescuer with koala

    Australian fires have incinerated the habitats of up to 100 threatened species

    Hundreds of fires that are blazing across the continent’s southeast have created an unprecedented ecological disaster, scientists say.

  4. mammal skulls

    Remarkable fossils capture mammals’ recovery after the dino-killing asteroid

    A fossil-rich site in Colorado is revealing how mammals rebounded and flourished after an asteroid strike 66 million years ago.

  5. saber-toothed cat skulls

    Fossils reveal saber-toothed cats may have pierced rivals’ skulls

    Two Smilodon fossil skulls from Argentina have puncture holes likely left by the teeth of rival cats.

  6. Mussaurus patagonicus

    This early sauropod went from walking on four legs to two as it grew

    A new computer analysis shows how Mussaurus patagonicus' center of gravity changed as the dinosaur grew.

  7. Smilodon hunting

    Saber-toothed cats were fierce and family-oriented

    New details shift the debate on whether Smilodon lived and hunted in packs, and answer questions about other behaviors and abilities.

  8. Health & Medicine

    Federal Government Launches Organic Standards

  9. Earth

    Air-Pollution Pileup: Mediterranean endures emissions from afar

    Although most Mediterranean countries aren't big polluters, the area is a crossroads for pollution-carrying air currents from Europe, Asia, and North America.

  10. Health & Medicine

    Less Crying in the Kitchen: Tasty, tearfree onions on the horizon

    The discovery of a new enzyme responsible for creating the tear-inducing chemicals found in onions may herald the arrival of genetically modified tearfree onions.

  11. Earth

    Lawn Agent Cues Embryo Shortfall: Herbicide weeds out mice in the womb

    Minuscule amounts of over-the-counter weed killers impair reproduction in mice.

  12. Health & Medicine

    Iron Cooking Pots Help Combat Malnutrition