Alkaloid Groups – A Brief Overview

Alkaloid Groups – A Brief Overview

by | Jan 17, 2011 | Research

Alkaloids are a group of chemical compounds which are characterized by carbon rings that usually contain nitrogen and by the fact that they are usually basic on the PH scale.  Alkaloids are produced by a large variety of organisms, including plants, animals, bacteria...

Shadows in the Sun

Shadows in the Sun

by | Dec 1, 2009 | Peoples

-By Wade Davis Many years ago, while living among the Barasana Indians on the banks of the Rio Piraparana in the Northwest Amazon of Colombia, I was invited one night to drink ayahuasca, “the vine of the soul,” the most revered and celebrated of Amazonian...