It's the epic quest of campers everywhere: How do you toast that marshmallow just right? As part of our Summer Science series, NPR turned to a fire engineer for some professional guidance.
Summer living is supposed to be easy — school is out, the days are long, the traffic eases. But it's not all diving boards and lemonade: Summer can throw us some curveballs, too. NPR kicks off its Summer Science series with tips from a fire scientist on how to build the perfect campfire.