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.
1 She owns her own business in Winona and has been practicing massage since 1985.  Sherilee Shay Bakken, LMT, is a Wisconsin-licensed massage therapist. She is a member of Associated Bodywork and Massage Professionals and has been practicing since 1995. She owns a massage practice in Winona.