Cassie Martin is the associate editor at Science News. When she’s not reporting stories about coral reefs, dog genetics or astronaut poop, she edits the magazine’s Letters to the Editor section, fact-checks the news and works on the Science News in High Schools program. Cassie has a bachelor's degree in molecular genetics from Michigan State University, and a master's degree in science journalism from Boston University. Prior to Science News, she wrote for MIT, Harvard and elsewhere.

All Stories by Cassie Martin

  1. man swabbing his cheek
    Genetics

    Privacy and consumer genetic testing don’t always mix

    Interested in taking a direct-to-consumer genetic test? Here are some things you should know.

  2. mouse breast tumor
    Health & Medicine

    50 years ago, starving tumors of oxygen proposed as weapon in cancer fight

    Starving cancerous tumors of oxygen was proposed to help kill them. But the approach can make some cancer cells more aggressive.

  3. Genetics

    50 years ago, synthetic DNA made its debut

    Synthetic DNA has come a long way since it arrived on the scene half a century ago.

  4. tardigrade
    Animals

    2017 delivered amazing biology finds from organisms large and small

    From giant African elephants to tiny tardigrades, scientists discovered some surprising biology this year.

  5. Jupiter
    Planetary Science

    Here’s what you might have missed in space this year

    Missions to Jupiter and Saturn made big headlines, and 2017 also saw exciting updates from missions of years past.

  6. Swedish grave excavation
    Physics

    These 2017 discoveries could be big news, if they turn out to be true

    Some findings reported in 2017 are potentially big news, if they hold up to additional scientific scrutiny.

  7. prosthetic hand
    Tech

    50 years ago, artificial limbs weren’t nearly as responsive

    Artificial limbs have come a long way since 1967.

  8. Tech

    50 years ago, NASA whipped up astronaut waste into rocket fuel

    In 1967, scientists found a way to turn human waste into rocket fuel.

  9. Yemeni women waiting for charity water
    Science & Society

    To combat cholera in Yemen, one scientist goes back to basics

    As the cholera epidemic rages on in war-torn Yemen, basic hygiene is the first line of defense.

  10. Hyalinobatrachium yaku glass frog
    Animals

    This glass frog wears its heart for all to see

    A newly discovered glass frog species has skin so clear that it reveals most of the animal’s internal organs, including the heart.

  11. mouse skeleton x-ray
    Health & Medicine

    Bones make hormones that communicate with the brain and other organs

    Bones send out hormone signals that chat with other parts of the body, studies in mice show. What influence these hormones have in people, though, remain a mystery.

  12. baby light exposure
    Health & Medicine

    In 1967, researchers saw the light in jaundice treatment

    Researchers discovered how to use light to treat babies with jaundice 50 years ago. But questions remain about the technique’s effectiveness in some cases.