Arctic Ozone Hole. The Ozone Layer The ozone layer is a layer in Earth's atmosphere which contains relatively high concentrations of ozone (O3). This layer absorbs 97-99% of the sun's high frequency ultraviolet light, which is potentially damaging to life on earth.
Nettie Stevens: Scientist Extraordinaire and STEM Icon; a Steampunk Feministâs Perspective Nettie Stevens If you want an example of the true grittiness and resourcefulness of the American spirit, you canât go past Nettie Stevens.
Alice Paul (January 11, 1885 â July 9, 1977) was an American suffragist, feminist, and women's rights activist, and the main leader and strategist of the 1910s campaign for the Nineteenth Amendment to the U.S. Constitution which prohibits sex discrimination in the right to vote.he NWP began introducing some of the methods used by the suffrage movement in Britain and focused entirely on achieving a constitutional amendment for woman suffrage. Alva Belmont, a multi-millionaire socialite at the time, was the largest donor to Paul's efforts.