The FBI says spores from the anthrax attack letters are genetically linked to spores in a flask controlled by Fort Detrick researcher Bruce Ivins.? But high-tech microscopic analysis shows what might be a key difference.

Anthrax Close-up, Part 2

The National Academy of Engineering has worked with the Washington, D.C. region's most listened-to radio station — the all-news format <a href="http://www.wtop.com/" target="_blank">WTOP Radio</a> — and the nation's only radio station specifically dedicated to covering news related to the federal government — <a href="http://www.federalnewsradio.com/" target="_blank">WFED 1500 AM</a> — To provide weekly features highlighting engineering innovations and stories that add technical context to issues in the news. Hear some of our stories in the links below.

Technology

The National Academy of Engineering has worked with the Washington, D.C. region's most listened-to radio station — the all-news format WTOP Radio — and the nation's only radio station specifically dedicated to covering news related to the federal government — WFED 1500 AM — To provide weekly features highlighting engineering innovations and stories that add technical context to issues in the news. Hear some of our stories in the links below.

The National Academy of Engineering has worked with the Washington, D.C. region's most listened-to radio station — the all-news format <a href="http://www.wtop.com/" rel="noopener noreferrer">WTOP Radio</a> — and the nation's only radio station specifically dedicated to covering news related to the federal government — <a href="http://www.federalnewsradio.com/" rel="noopener noreferrer">WFED 1500 AM</a> — To provide weekly features highlighting engineering innovations and stories that add technical context to issues in the news. Hear some of our stories in the links below.

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Anthrax Close-up, Part 2

Anthrax Close-up, Part 2