Joshua Rapp Learn

All Stories by Joshua Rapp Learn

  1. An illustration of young Benjamin Franklin at the printing press.

    How Benjamin Franklin fought money counterfeiters

    Researchers are confirming some of the techniques that Benjamin Franklin and his associates used to help early American paper currency succeed.

  2. A shoreline in southern Louisiana shows green marsh grass where it meets still water

    The Deepwater Horizon oil spill ruined long-term shore stability

    For at least eight years, the oil disaster continued to kill soil-retaining marsh plants along the Louisiana coast, accelerating shoreline loss.