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.
The Ratification Fight: Women Suffrage and the Nineteenth Amendment. N.Y. Times Articles on Ratification Cases Minor vs. Happersett (1875) Virginia Minor who, in Minor v Happersett, unsuccessfully argued that the 14th Amendment guaranteed women the right to vote.