Curated OER
Introduction to Lumbriculus variegatus
Students conduct two set experiments on Lumbriculus worms and create a third experiment of their own. The first of the two set experiments allows students to observe regeneration of the worms while the second allows students to test the...
National Institute on Drug Abuse
Nida: Research Report Series: Tobacco, Nicotine, and E Cigarettes
This detailed report presents research and findings concerning tobacco and its short-term and long-terms effects on the human body.
Other
On Science: Addicting Kids to Nicotine
Summarizing research found at the Mayo Clinic, this article explains why kids, who have only smoked a few cigarettes, "experience the same symptoms of nicotine addiction as adults who smoke heavily." Learn about how nicotine affects the...