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.
Elizabeth Cady Stanton (November 12, 1815 â October 26, 1902) was an American suffragist, social activist, abolitionist, and leading figure of the early women's rights movement.tanton was president of the National Woman Suffrage Association from 1892 until 1900. Before Stanton narrowed her political focus almost exclusively to women's rights, she was an active abolitionist with her husband, Henry Brewster Stanton and cousin, Gerrit Smith.