Summary: <p><span style="font-size: small;">Science writer Mary Roach talks about her latest book, <em>Gulp: Adventures on the Alimentary Canal</em>, in front of a live audience at the Jewish Community Center of San Francisco.</span></p>
Summary: <p><span style="font-size: small;">Science writer Mary Roach talks about her latest book, <em>Gulp: Adventures on the Alimentary Canal</em>, in front of a live audience at the Jewish Community Center of San Francisco.</span></p>