This file is indexed.

/usr/lib/surfraw/worldwidescience is in surfraw 2.2.9-1ubuntu1.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

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#!/bin/sh
# elvis: worldwidescience -- Search for science with www.worldwidescience.org
. surfraw || exit 1

w3_usage_hook () {
    cat <<EOF
Usage: $w3_argv0 [options] [search words]...
Description:
  Surfraw search for science with worldwidescience.org
EOF
    w3_global_usage
}

w3_config
w3_parse_args "$@"
# w3_args now contains a list of arguments

if test -z "$w3_args"; then
    w3_browse_url "http://worldwidescience.org/"
else
    escaped_args=`w3_url_of_arg $w3_args`
    w3_browse_url "http://worldwidescience.org/wws/result-list/fullRecord:${escaped_args}/"
fi