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.
Carrie Chapman Catt and the National American Woman Suffrage Association were a mainstream lobbying force of millions at every level of government. Alice Paul and the National Woman's Party were a small, radical group that not only lobbied but conducted marches, political boycotts, picketing of the White House, and civil disobedience. As a result, they were attacked, arrested, imprisoned, and force-fed.