Insects: the effect of declining populations in ecosystems by Nicolás Boullosa on November 19, 2023 Insects represent by far the biggest diversity of all animals, with over a million known species of an estimated total …
History: the ban of Dichloro Diphenyl Trichloroethane (DDT) by faircompanies on April 23, 2008 A synthetic compound used as an insecticide and pesticide to fight human illnesses and agricultural pests, until in the seventies …
Where did our birds go? by emilyward on February 26, 2008 My husband and I have been a bit melancholy lately as we look out our window and question what has …
Hazardous, yet legal: Teflon by faircompanies on February 22, 2008 Called by its first commercial name, Teflon (trademarked by DuPont), polytetrafluoroethylene (PTFE) is a polymer with nonstick properties. Its use …
