This feed does not validate.
In addition, interoperability with the widest range of feed readers could be improved by implementing the following recommendations.
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="h ...
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="h ...
<?xml version="1.0" encoding="UTF-8"?>
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:prism="http://prismstandard.org/namespaces/basic/2.0/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:enc="http://purl.oclc.org/net/rss_2.0/enc/" xmlns:cc="http://web.resource.org/cc/" xmlns="http://purl.org/rss/1.0/"><channel rdf:about="https://www.science.org"><title>AAAS: Feed Not Available</title><description>This channel is discontinued, please see https://www.science.org/content/page/email-alerts-and-rss-feeds for available channels.</description><link>https://www.science.org</link><dc:publisher>AAAS</dc:publisher><dc:language>en-US</dc:language><prism:publicationName></prism:publicationName><items><rdf:Seq></rdf:Seq></items></channel><image rdf:about="http://www.atypon.com/images/atypon_logo_small.gif"><title>Atypon Systems</title><url>http://www.atypon.com/images/atypon_logo_small.gif</url><link>http://www.atypon.com</link></image></rdf:RDF>