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Special Report

The Specter of Chemical and Biological Weapons

Efforts to harness the power of toxic chemicals and deadly organisms have been at the core of chemical and biological attacks throughout history. This package chronicles such incidents before and after Syria's recent alleged chemical weapon attack on civilians outside Damascus


Anthrax Toxicity Depends on Human Genetics

The white powder that arrived in envelopes addressed to lawmakers and journalists in 2001 proved to be a deadly delivery for several people. The lethal substance—spores commonly known as Anthrax (from the bacterium Bactillus anthracis )—can cause a toxic reaction in a host's blood stream, killing cells and leading to tissue damage, bleeding and death.But just how toxic anthrax is to an individual might depend on their genetic makeup, according to a new study, published online Monday in Proceedings of the National Academy of Sciences ...

February 6, 2012 — Katherine Harmon
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