9/11 dust study, gypsy-moth caterpillar killer, and hummingbird courtship

Studying the 9/11 WTC dust: Coinciding with the tenth anniversary of the September 11, 2001 terrorist attacks, the United States Geological Survey (USGS) recently published a blog highlighting the agency’s study of the environmental and potential health risks of the massive dust cloud that swept across New York City as a result of the collapse of the World Trade Center. The dust was particularly dense, coating outdoor surfaces in a...

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