For Kids

  • Swallowed Up
    Science World, February 3, 2014
    How do sinkholes form? And are you going to fall into one in your sleep? I explain and reassure the 6th-to-10th-grade set.
  • Underwater Adventurer
    Science World, October 7, 2013
    I interview 18-year-old Justin Beckerman, who built a working submarine out of a piece of plastic drainage pipe, and explain the physical forces he had to engineer around. 
  • Biting Back
    Science World, September 16, 2013
    Most people in their right minds avoid handling dangerous snakes. But not Mark Hockmuller, who picks up dozens of them every day. 
  • Mount Everest's Death Zone
    SuperScience, February 2013
    In which I try to discourage 3rd-graders from attempting to summit Everest.
  • Drowned Rodents
    Science World, February 4, 2013
    When you head to the beach for a swim, you don't expect to find it littered with giant, stinking rodent corpses. Probably.

For Adults

  • Brilliant Ten: Adam Cohen
    Popular Science, October 2012
    For two years I led the research for Popular Science's annual Brilliant Ten, vetting hundreds of nominees and helping select ten honorees. In 2012 I profiled Adam Cohen, who keeps transgenic glow-in-the-dark zebrafish as office pets. 
  • The Data-Centric Universe
    Popular Science, November 2011
    "Hey," said PopSci information editor Katie Peek, "what if we tried to map every known object in the observable universe?" "Sure," I said, and proceeded to learn a lot about astronomical units, the history of telescopes, and the theoretical limits of Microsoft Excel.
    (Research and text by me; data visualization by Tulp Interactive.)
  • Sliced: Geyser
    Discover, March 2011
    How does a geyser work, anyway? Allow me to explain. 
  • To Find Love, the Barnacle Grows a Stretchy, Accordion-Like Penis
    Discover online, November 23, 2010
    Don't even get me started on barnacles. But if you do, this is where I'll start.
  • How Do Barnacles Attach to Whales?, March 22, 2010
    Seriously. Barnacles. They are very impressive.