Dr. Paul Lioy is a professor and the Vice Chair of the Department of Environmental and Occupational Medicine at the Robert Wood Johnson Medical School. He is also the Director of Exposure Science at the Environmental and Occupational Health Sciences Institute at Rutgers University and author of the book, “Dust: The Inside Story of its Role in the September 11 Aftermath.” During the interview, Dr. Lioy summarizes the different phases of exposure in the days and weeks after 9/11, emphasizing the features and health effects of the World Trade Center dust.

 The “Exploring 9/11″ webcast series is exclusively produced for the 9/11 Memorial and Museum and is hosted by Clifford Chanin, senior program advisor for the 9/11 Memorial Museum. Check our website each month for a new installment in the series. If you missed previous webcasts, find it on The MEMO blog or visit national911memorial.org.

                                                                                                By 9/11 Memorial Staff 

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Every vote, artifact counts: Betsy Gotbaum gives back to 9/11 Memorial


On 9/11, many people recall a day that began like any other, marked by a strikingly clear blue sky. They can vividly identify where they were or what they were doing as the attacks began to unfold.Prior to the crash of the first plane into the North Tower

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A Three-Part Series: Pieces of Paper, Pages of 9/11 History


Starting tomorrow, The MEMO blog will carry a three-part series featuring the words from ephemera collector Michael Ragsdale.  Ragsdale has been a collector of New York City event-specific paper ephemera and autographs since 1997.  He started collecting t

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