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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. [45]
Examples of emerging bioproducts or biobased products include biofuels, bioenergy, starch-based and cellulose-based ethanol, bio-based adhesives, biochemicals, bioplastics, etc. [8] [9] Emerging bioproducts are active subjects of research and development, and these efforts have developed significantly since the turn of the 20/21st century, in ...
Biomanufacturing (or bioproduction) is a type of manufacturing or biotechnology that utilizes biological systems to produce commercially important biomaterials and biomolecules for use in medicines, food and beverage processing, and industrial applications.
Women's history is much more than chronicling a string of "firsts." Female pioneers have long fought for equal rights and demanded to be treated equally as they chartered new territory in fields ...
She then co-founded the National Women's Political Caucus, was the first Black woman to serve on the House Rules Committee, and spent her life championing equality, pacifism, and ending poverty ...
Women inventors have been historically rare in some geographic regions. For example, in the UK, only 33 of 4090 patents (less than 1%) issued between 1617 and 1816 named a female inventor. [ 1 ] In the US, in 1954, only 1.5% of patents named a woman, compared with 10.9% in 2002. [ 1 ]
Rosa Parks. Susan B. Anthony. Helen Keller. These are a few of the women whose names spark instant recognition of their contributions to American history. But what about the many, many more women who never made it into most . high school history books?
A demonstrator holds a sign while gathering on the National Mall during the Women's March in Washington D.C., U.S., on Jan. 21, 2017. Credit - Eric Thayer–Bloomberg—Getty Images