As neolithic humans knew, it’s not easy to light a fire. When fire was used for both heat and illumination, the delay between wanting a little light and getting one could be a problem. One of the ways ...
When Sara Zaske’s 7-year-old daughter came home from school asking for matches, Zaske’s response was just what you would expect from an American parent: “Why?” But Zaske wasn’t living in America at ...
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