The Colorado seventh-grader was unimpressed by the options her parents had to test water in their home. So she created a sensor-based device using chemically treated carbon nanotubes to do it faster.
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The first prosthetic limb in human civilization went to this ancient warrior queen. Or did it? The story is more complex than you might think.
Ida Laura Pfeiffer
Starting her travels at 45 years old, this globetrotter became a worldwide sensation for going boldly where no woman had gone before.
This self-described "undutiful daughter" posed as a man to become the world's first female shipwright.
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The exiled daughter of a deposed ruler, she could have been a fairytale bridge between worlds - but fairy tales are not real. Benazir, whose name means "without flaw," was anything but.
This most-wanted WW2 spy rescued Jews and POWs, blew up Nazi trains, and used an X-rated radio rhyme to identify herself to Britain.
In 1931, a seventeen-year-old girl struck out Babe Ruth and Lou Gehrig in front of a crowd of thousands -- and then was benched into obscurity.
When this indigenous Brazilian warrior mermaid proved too awesome for her tribe, she just took up residence in the water, and started an aquatic harem of passers-by.