The beleaguered rain forests of Madagascar are home to thousands of plants found nowhere else- and perhaps new lifesaving drugs. Could the search for medicinal plants help keep the forests of this African island nation intact? A team of scientists hope the answer is yes. "Is it possible to add to the human economy without depleting the biodiversity riches? We are trying our best to do this," said a scientist. Click on the link to read the story on the website of National Geographic.