This video addresses the issue that pneumonia kills more children under age 5 around the world than any other disease, but receives much less funding and popular recognition than diseases like H.I.V. and malaria (description from the website).

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Dr. Nancy B. Simmons discusses her passion for bats and why they are misunderstood creatures.

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This article (Couples Cull Embryos to Halt Heritage of Cancer) gives an example of how genetics research is applied in preventing diseases. What does PGD (Pre-implant Genetic Diagnosis) do? What difficulties the couple faced for doing PGD? Why PGD gives this couple much confidence that their child will not carry the cancer causing gene (oncogene)?

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This video shows how Agent Orange (nearly 20 million gallons of defoliant) left negative effects in a central highland of Vietnam. The most toxic component: dioxin, has been accumulated in the food chain of this area because dioxin is fat soluble. The botanist Phung Tuu Boi tried to build up "green fence" to protect people and their life-stocks entering the hot zones of dioxin, but failed because...

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This movie shows how a man is working to increase the coral populations in the Florida Keys.

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