Kathryn Hulick

Freelance Writer

Kathryn Hulick is the author of Strange But True: 10 of the World's Greatest Mysteries Explained, about the science behind paranormal mysteries, including ghosts, aliens, sea monsters and more. A sequel about the future of technology comes out in 2020. Hulick also writes regularly for Science News for Students and Muse magazine.


Her favorite part of writing about science is getting to speak with researchers in many different fields. Once, she spoke with an expert on parallel universes while he was shoveling snow from his driveway.


Hulick lives in Massachusetts with her family and most enjoys hiking, gardening and learning about robots.

All Stories by Kathryn Hulick

  1. Health & Medicine

    The cool science of hot peppers

    Why are chili peppers spicy? Why does anyone crave food that burns? Uncovering this fiery veggie’s secrets could help fight pain and obesity.

  2. Health & Medicine

    Newly discovered microbe keeps teeth healthy

    A newfound bacterium halts the tooth erosion that leads to cavities. This germ or one like it might one day be added to toothpaste or mouthwash.

  3. Microbes

    Microbes mine treasure from waste

    Like miniature factories, bioreactors house microbes recruited to chew through wastes to clean dirty water, make chemicals or generate electricity.

  4. Health & Medicine

    From zits to warts: Which disturb people most?

    In a recent study, people rated acne as one of the most upsetting skin conditions. Many believed myths and misconceptions about zits.

  5. Health & Medicine

    Teens eating better but gaining weight

    From 1999 through 2012, teens got heavier. But by downing less sugar and eating more healthy fats, their bodies also showed signs that these teens were somewhat healthier.

  6. Health & Medicine

    Explainer: What is metabolic syndrome?

    A “couch potato” lifestyle of too much sugary, fatty food and too little exercise leads to health problems. This is known as metabolic syndrome.

  7. Health & Medicine

    Explainer: What is skin?

    The body’s soft, outer armor contains three layers, each with its own important role to play.

  8. Health & Medicine

    Minty fresh zits treatment?

    Some nontraditional acne treatments work at cleaning up pimples.

  9. Health & Medicine

    The truth about zits

    A common bacterium called P. acnes usually helps keep the skin healthy. But under some conditions, and especially during puberty, it can trigger painful, embarrassing outbreaks of unsightly pimples.

  10. Animals

    Do dogs have a sense of self?

    Dogs don’t know their own reflections in a mirror, but they do recognize themselves from the scent of their own urine, a new study finds.

  11. Animals

    Some otters wear red algae

    Some sea otters in California sport coats of red algae. A new study finds the species most likely is a non-native organism from half a world away.

  12. Tech

    Engineers consider liquid salt to generate power

    A new type of power plant, a molten salt reactor, might provide electricity in a cleaner and safer way than current nuclear technology.