Curated OER
Antiseptic Nature of Plants
High schoolers investigate the concepts of homeostasis, competition, pathogens, and antiseptics. They conduct an experiment that compares the antiseptic properties of native plants by growing bacteria on agar plates containing plant...
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Columbines School of Botanical Studies: Toothaches
This article provides a lengthy discussion od toothaches and abscessed teeth. The site is broken down into two primary strategies for dealing with these toothaches - removing the infection causing the pain and merely relieving the pain.