Letty Cottin Pogrebin was treated and is now cancer-free. She is the author of the book “How to Be a Friend to a Friend Who’s Sick.”
Miracle Herb?
The herb cilantro is an important part of Latin American and Southeast Asian cooking. It is also known as Thai parsley and coriander. Cilantro is loved for its taste. It could possibly also have scientific uses. Mario Ritter reports.
Scientists say the cilantro plant shows promise as what they call a biosorbent. They say it is able to drink up heavy metals that have leaked into ground water from factories.
Cilantro costs very little to produce. The herb is plentiful in some of the most polluted countries in the world. These are countries in which industrial chemicals have polluted ground water supplies. The chemicals include arsenic, cadmium, copper, lead and mercury. They can come from factories and waste collection centers.
In the West, new technologies are being used to remove the heavy metals, including activated carbon. But these technologies are costly.
Douglas Schauer is program chair for chemical technology at Ivy Tech Community College in Lafayette, Indiana. Earlier this year, he led a few students to the Tula Valley, near Mexico City. They wanted to find low-cost and plentiful materials that could be used to filter, or separate, industrial pollutants in ground water.
Douglas Schauer says several wild plants were dried out and crushed…
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2013-11-25
2013-11-25
2013-11-25
2013-11-25
2013-11-25
2013-11-25