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The hot comb was an invention developed in France as a way for women with coarse curly hair to achieve a fine straight look traditionally modeled by historical Egyptian women. [44] However, it was Annie Malone who first patented this tool, while her protégé and former worker, Madam C. J. Walker , widened the teeth.
In the US, in 1954, only 1.5% of patents named a woman, compared with 10.9% in 2002. [1] Women's inventions have historically been concentrated in some areas, such as chemistry and education, and rare in others, such as physics, and electrical and mechanical engineering. [1]
This is a timeline of women in science, spanning from ancient history up to the 21st century. While the timeline primarily focuses on women involved with natural sciences such as astronomy, biology, chemistry and physics, it also includes women from the social sciences (e.g. sociology, psychology) and the formal sciences (e.g. mathematics ...
Mar. 2—It may seem like a recent trend for more women to be entering STEM fields, but women have a long history of contributing to innovations in science, technology, engineering and mathematics.
This is a list of women's firsts noting the first time that a woman or women achieved a given historical feat. A shorthand phrase for this development is "breaking the gender barrier" or "breaking the glass ceiling ."
Some of the most incredible inventors, writers, politicians, & activists have been women. From Ida B. Wells to Sally Ride, here are women who changed the world. 22 Famous Women in History You Need ...
The Lower Paleolithic period lasted over 3 million years, during which there many human-like species evolved including toward the end of this period, Homo sapiens.The original divergence between humans and chimpanzees occurred 13 (), however interbreeding continued until as recently as 4 Ma, with the first species clearly belonging to the human (and not chimpanzee) lineage being ...
Victoria Woodhull was the first woman to run for president in the U.S. and she made her historic run in 1872 – before women even had the right to vote! She supported women's suffrage as well as welfare for the poor, and though it was frowned upon at the time, she didn't shy away from being vocal about sexual freedom.